William Lawrence Ditto

Also known as: William L. Ditto; Bill Ditto

Artificial Intelligence, Chaos, Neural Networks, Chaos Computing, Hamiltonian Neural Networks, Machine Learning

Works (177)

Updated: February 27th, 2026 15:15

2026 article

Lyapunov landscape elucidates disorder-taming-chaos in arrays of coupled pendula

Gallego, M., Lindner, J. F., Radhakrishnan, A., & Ditto, W. L. (2026, February 17). Physics Letters A.

By: M. Gallego n, J. Lindner n, A. Radhakrishnan  n & W. Ditto n 

topics (OpenAlex): Theoretical and Computational Physics; Chaos control and synchronization; Nonlinear Dynamics and Pattern Formation; Quantum chaos and dynamical systems
Source: ORCID
Added: February 26, 2026

2025 article

Gradient based optimization of Chaogates

Radhakrishnan, A., Sinha, S., Murali, K., & Ditto, W. L. (2025, January 23). Chaos Solitons & Fractals, Vol. 192.

By: A. Radhakrishnan*, S. Sinha*, K. Murali & W. Ditto* 

author keywords: Chaos; Chaotic circuits; Chaogate; Nonlinear systems; Optimization; Neural networks
topics (OpenAlex): Chaos control and synchronization; Quantum chaos and dynamical systems; Mathematical Dynamics and Fractals
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 23, 2025

2025 article

Growing neural networks: dynamic evolution through gradient descent

Radhakrishnan, A., Lindner, J. F., Miller, S. T., Sinha, S., & Ditto, W. L. (2025, July 1). Proceedings of the Royal Society A Mathematical Physical and Engineering Sciences, Vol. 481.

By: A. Radhakrishnan n, J. Lindner n, S. Miller n, S. Sinha* & W. Ditto n 

author keywords: machine learning; neural networks; optimization
topics (OpenAlex): Neural Networks and Applications; Stochastic Gradient Optimization Techniques; Machine Learning and ELM
Sources: Web Of Science, NC State University Libraries
Added: July 21, 2025

2025 article

Logic with nonlinear maps

Lindner, J. F., & Ditto, W. L. (2025, May 14). Physica D Nonlinear Phenomena, Vol. 479.

By: J. Lindner n & W. Ditto n 

author keywords: Nonlinear maps; Boolean functions; Logic gates; Chaogates
topics (OpenAlex): Advanced Algebra and Logic; Slime Mold and Myxomycetes Research
Sources: Web Of Science, NC State University Libraries
Added: June 9, 2025

2025 article

Nimble Neural Networks

Radhakrishnan, A., Lindner, J., Miller, S., Sinha, S., & Ditto, W. (2025, June 6). Zenodo (CERN European Organization for Nuclear Research).

By: A. Radhakrishnan  n, J. Lindner  n, S. Miller n, S. Sinha * & W. Ditto n 

Contributors: A. Radhakrishnan  n, J. Lindner  n, S. Miller n, S. Sinha * & W. Ditto n 

topics (OpenAlex):
Source: ORCID
Added: June 6, 2025

2023 article

Neuronal diversity can improve machine learning for physics and beyond

Choudhary, A., Radhakrishnan, A., Lindner, J. F., Sinha, S., & Ditto, W. L. (2023, August 26). Scientific Reports, Vol. 13.

By: A. Choudhary n, A. Radhakrishnan n, J. Lindner n, S. Sinha* & W. Ditto n 

topics (OpenAlex): Neural Networks and Reservoir Computing; Model Reduction and Neural Networks; Neural Networks and Applications; Neural dynamics and brain function
Sources: Web Of Science, NC State University Libraries
Added: April 8, 2024

2023 article

Solving quantum billiard eigenvalue problems with physics-informed machine learning

Holliday, E. G., Lindner, J. F., & Ditto, W. L. (2023, August 1). AIP Advances, Vol. 13.

By: E. Holliday n, J. Lindner n & W. Ditto n 

topics (OpenAlex): Model Reduction and Neural Networks; Quantum chaos and dynamical systems; Neural Networks and Reservoir Computing
TL;DR: This work generalizes an unsupervised learning algorithm to find the particles’ eigenvalues and eigenfunctions, even in cases where the eigen values are degenerate, including particles confined to rectangle-, ellipse-, triangle-, and cardioid-shaped boxes. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 28, 2023

2022 article

Reconfigurable Noise-Assisted Logic Gates Exploiting Nonlinear Transformation of Input Signals

Murali, K., Ditto, W. L., & Sinha, S. (2022, July 25). Physical Review Applied, Vol. 7.

By: K. Murali*, W. Ditto n  & S. Sinha*

topics (OpenAlex): Neural Networks and Reservoir Computing; stochastic dynamics and bifurcation; Advanced Memory and Neural Computing; Evolutionary Algorithms and Applications
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 26, 2022

2021 article

Construction of logic gates exploiting resonance phenomena in nonlinear systems

Murali, K., Rajasekar, S., Aravind, M. V., Kohar, V., Ditto, W. L., & Sinha, S. (2021, January 18). Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences, Vol. 379.

By: K. Murali*, S. Rajasekar*, M. Aravind*, V. Kohar*, W. Ditto n  & S. Sinha*

author keywords: stochastic resonance; logical stochastic resonance; noisy logic
topics (OpenAlex): stochastic dynamics and bifurcation; Gene Regulatory Network Analysis; Nonlinear Dynamics and Pattern Formation
TL;DR: The conventional LSR paradigm is extended to implement higher-level logic architecture or typical digital electronic structures via carefully crafted coupling schemes and to realize morphable logic gates through the Logical Coherence Resonance in excitable systems under the influence of noise. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: February 15, 2021

2021 article

Forecasting Hamiltonian dynamics without canonical coordinates

Choudhary, A., Lindner, J. F., Holliday, E. G., Miller, S. T., Sinha, S., & Ditto, W. L. (2021, January 1). Nonlinear Dynamics.

By: A. Choudhary n, J. Lindner n, E. Holliday n, S. Miller n, S. Sinha n & W. Ditto n 

author keywords: Neural networks; Hamiltonian dynamics; Canonical coordinates; Time series forecasting
topics (OpenAlex): Model Reduction and Neural Networks; Neural Networks and Reservoir Computing; Neural Networks and Applications
TL;DR: This work prepend a conventional neural network to a Hamiltonian neural network and shows that the combination accurately forecasts Hamiltonian dynamics from generalised noncanonical coordinates. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: February 8, 2021

2021 article

Harnessing tipping points for logic operations

Murali, K., Sinha, S., Kohar, V., & Ditto, W. L. (2021, March 27). The European Physical Journal Special Topics.

By: K. Murali*, S. Sinha*, V. Kohar* & W. Ditto n 

topics (OpenAlex): Ecosystem dynamics and resilience; stochastic dynamics and bifurcation; Neural dynamics and brain function
TL;DR: The presence of tipping points in complex systems endows it with the capability to switch between very different attractors under small changes in parameter, and this feature can be exploited to obtain reliable logic operations. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: April 19, 2021

2021 article

Negotiating the separatrix with machine learning

Miller, S. T., Lindner, J. F., Choudhary, A., Sinha, S., & Ditto, W. L. (2021, January 1). Nonlinear Theory and Its Applications IEICE, Vol. 12, pp. 134–142.

By: S. Miller n, J. Lindner n, A. Choudhary n, S. Sinha* & W. Ditto n 

author keywords: machine learning; neural networks; Hamiltonian dynamics
topics (OpenAlex): Model Reduction and Neural Networks; Neural Networks and Applications; Computational Physics and Python Applications
TL;DR: This work uses the framework of Hamiltonian Neural Networks (HNN) to learn the complex dynamics of nonlinear single and double pendulums, which can both librate and rotate, by mapping the unbounded phase space onto a compact cylinder. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: April 1, 2021

2020 article

Closing editorial: Forecasting of epidemic spreading: lessons learned from the current covid-19 pandemic

Boccaletti, S., Mindlin, G., Ditto, W., & Atangana, A. (2020, September 12). Chaos Solitons & Fractals, Vol. 139.

By: S. Boccaletti *, G. Mindlin *, W. Ditto*  & A. Atangana *

topics (OpenAlex): COVID-19 Pandemic Impacts; COVID-19 epidemiological studies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
3. Good Health and Well-being (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: December 11, 2020

2020 journal article

Nonlinear dynamics based machine learning: Utilizing dynamics-based flexibility of nonlinear circuits to implement different functions

PLoS ONE, 15(3), e0228534.

By: B. Kia  n, A. Mendes n, A. Parnami n, R. George n, K. Mobley* & W. Ditto n 

Ed(s): A. Adamatzky

MeSH headings : Machine Learning; Nonlinear Dynamics
topics (OpenAlex): Neural Networks and Reservoir Computing; Evolutionary Algorithms and Applications; Advanced Memory and Neural Computing
TL;DR: This research focuses on nonlinear complex systems, and combines two powerful natural and biological phenomenon, Darwinian evolution and nonlinear dynamics and chaos, as a dynamics-oriented approach to designing intelligent, adaptive systems with applications. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 4, 2020

2020 journal article

Physics-enhanced neural networks learn order and chaos

Physical Review E, 101(6), 062207.

By: A. Choudhary  n, J. Lindner  n, E. Holliday n, S. Miller  n, S. Sinha  n & W. Ditto n 

topics (OpenAlex): Model Reduction and Neural Networks; Neural Networks and Applications; Computational Physics and Python Applications
TL;DR: This work uses neural networks that incorporate Hamiltonian dynamics to efficiently learn phase space orbits even as nonlinear systems transition from order to chaos. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: June 19, 2020

2018 article

Chaotic attractor hopping yields logic operations

Murali, K., Sinha, S., Kohar, V., Kia, B., & Ditto, W. L. (2018, December 21). (A. Adamatzky, Ed.). PLoS ONE, Vol. 13.

By: K. Murali*, S. Sinha *, V. Kohar n, B. Kia n & W. Ditto n 

Ed(s): A. Adamatzky

MeSH headings : Electronics; Fuzzy Logic; Nonlinear Dynamics
topics (OpenAlex): stochastic dynamics and bifurcation; Evolutionary Algorithms and Applications; Neural dynamics and brain function
TL;DR: This work explicitly demonstrates that the system hops consistently in response to an external input stream, operating effectively as a reliable logic gate, and leads to a generalization of the concept of Logical Stochastic Resonance to attractors more complex than fixed point states, such as periodic or chaotic attractors. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: January 14, 2019

2017 journal article

Detecting and characterizing high-frequency oscillations in epilepsy: a case study of big data analysis

Royal Society Open Science, 4(1), 160741.

By: L. Huang *, X. Ni *, W. Ditto n , M. Spano*, P. Carney * & Y. Lai *

author keywords: nonlinear dynamics; electroencephalogram; epileptic seizures; empirical mode; decomposition; big data analysis; high-frequency oscillations
topics (OpenAlex): Fractal and DNA sequence analysis; Neural dynamics and brain function; Complex Systems and Time Series Analysis
TL;DR: A framework to uncover and analyse dynamical anomalies from massive, nonlinear and non-stationary time series data is developed and a striking phenomenon is found: HFOs exhibit on–off intermittency that can be quantified by algebraic scaling laws. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Crossref, NC State University Libraries
Added: January 14, 2020

2017 article

Implementing Boolean Functions in Hybrid Digital-Analog Systems

Kohar, V., Kia, B., Lindner, J. F., & Ditto, W. L. (2017, April 11). Physical Review Applied, Vol. 7.

By: V. Kohar n, B. Kia n, J. Lindner * & W. Ditto n 

topics (OpenAlex): Advanced Memory and Neural Computing; Neural Networks and Reservoir Computing; stochastic dynamics and bifurcation
TL;DR: In an ideal nonlinear map, this architecture eliminates the need for a decoder as the outputs are mapped to maxima and minima of the map and can be fed directly to the next stage enabling multilayer concatenation. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 article

Nonlinear Dynamics and Chaos for Fleixble, Reconfigurable Computing

Kia, B., & Ditto, W. (2017, November 1). 2017 IEEE International Conference on Rebooting Computing (ICRC), pp. 282–289.

By: B. Kia n & W. Ditto n 

topics (OpenAlex): Neural Networks and Reservoir Computing; Neural Networks and Applications; Advanced Memory and Neural Computing
TL;DR: A recently fabricated VLSI chip for nonlinear dynamics-based computing was shown to be capable of implementing a new function in each clock cycle, with no need for separate reprograming time in between clock cycles. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2017 journal article

Nonlinear dynamics as an engine of computation

Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 375(2088), 20160222.

By: B. Kia n, J. Lindner * & W. Ditto n 

author keywords: cybernetical physics; nonlinear dynamics; computation
topics (OpenAlex): Cellular Automata and Applications; Chaos control and synchronization; Neural Networks and Applications
TL;DR: This article introduces nonlinear dynamics and its rich, sometimes chaotic behaviour as an engine of computation and investigates the interrelationship between invariant measures of a dynamical system and its computing power to strengthen the bridge between physics and computation. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 6, 2018

2017 article

Nonlinear dynamics-based adaptive hardware

Kia, B., Parnami, A., Mendes, A., & Ditto, W. (2017, July 1). 2017 Nasa/Esa Conference on Adaptive Hardware and Systems (Ahs), pp. 200–205.

By: B. Kia n, A. Parnami n, A. Mendes n & W. Ditto n 

topics (OpenAlex): Advanced Memory and Neural Computing; Neural Networks and Reservoir Computing; Neural Networks and Applications
TL;DR: Results of an experimental study are reported on an integrated circuit fabricated for nonlinear dynamics-based computing, where the circuit was overheated to a point that its operation and performance changed, but then reprogramed the circuit so that the overheated circuit could again perform the same operations reliably. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2017 chapter

Present and the Future of Chaos Computing

In Lecture Notes in Networks and Systems (pp. 101–109).

By: B. Kia n, V. Kohar  n & W. Ditto n 

topics (OpenAlex): Advanced Memory and Neural Computing; Neural Networks and Reservoir Computing; Neural dynamics and brain function
TL;DR: This work studies chaos computing as a new approach for reconfigurable computing and presents some of the latest results and discusses what this new direction to computing means and implies. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: January 14, 2020

2017 conference paper

Present and the future of chaos computing

Proceedings of the 4th international conference on applications in nonlinear dynamics (icand 2016), 6, 101–109.

By: B. Kia, V. Kohar & W. Ditto 

Source: NC State University Libraries
Added: August 6, 2018

2017 chapter

Spectral Scaling Analysis of RR Lyrae Stars in OGLE-IV Galactic Bulge Fields

In Lecture Notes in Networks and Systems (pp. 65–76).

By: V. Kohar  n, J. Lindner *, B. Kia n & W. Ditto n 

topics (OpenAlex): Stellar, planetary, and galactic studies; Astrophysics and Star Formation Studies; Astronomy and Astrophysical Research
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Crossref, NC State University Libraries
Added: January 14, 2020

2017 conference paper

Spectral scaling analysis of RR Lyrae stars in OGLE-IV Galactic Bulge Fields

Proceedings of the 4th international conference on applications in nonlinear dynamics (icand 2016), 6, 65–76.

By: V. Kohar, J. Lindner, B. Kia & W. Ditto 

Source: NC State University Libraries
Added: August 6, 2018

2016 article

A Simple Nonlinear Circuit Contains an Infinite Number of Functions

Kia, B., Lindner, J. F., & Ditto, W. L. (2016, March 4). IEEE Transactions on Circuits & Systems II Express Briefs, Vol. 63, pp. 944–948.

By: B. Kia n, J. Lindner * & W. Ditto n 

author keywords: Chaos theory; computation; infinitelymany functions; nonlinear circuit
topics (OpenAlex): Neural Networks and Applications; Chaos control and synchronization; Neural Networks and Reservoir Computing
TL;DR: This brief shows that the number of different functions that a nonlinear or chaotic circuit can implement exponentially increases as the circuit evolves in time, and this exponential increase is quantified with an exponent that is named the computing exponent. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 article

An Integrated Circuit Design for a Dynamics-Based Reconfigurable Logic Block

Kia, B., Mobley, K., & Ditto, W. L. (2016, September 19). IEEE Transactions on Circuits & Systems II Express Briefs, Vol. 64, pp. 715–719.

By: B. Kia n, K. Mobley* & W. Ditto n 

author keywords: Chaos; computation; integrated circuit; nonlinear dynamical systems theory; programmable logic block
topics (OpenAlex): Advanced Memory and Neural Computing; Neural Networks and Reservoir Computing; Evolutionary Algorithms and Applications
TL;DR: A nonlinear integrated circuit to harvest different types of digital computation from complex dynamics is designed and fabricated and can be dynamically reconfigured to implement different two-input, one-output digital functions. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 article

Dynamical coupling outperforms “majority wins” in organizing redundancy to mitigate noise

Kia, B., Lindner, J. F., & Ditto, W. L. (2016, September 27). Nonlinear Dynamics, Vol. 87, pp. 605–615.

By: B. Kia n, J. Lindner * & W. Ditto n 

author keywords: Dynamics; Coupling; Noise; Chaos
topics (OpenAlex): Advanced Memory and Neural Computing; Neural Networks and Reservoir Computing; Neural dynamics and brain function
TL;DR: It is demonstrated that a well-designed, optimized DC has better performance in reducing error and can be implemented with minimal overhead or extra computational complexity for organizing redundancy to achieve noise robustness. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

Reduction of Additive Colored Noise Using Coupled Dynamics

International Journal of Bifurcation and Chaos, 26(01), 1650005.

By: V. Kohar *, B. Kia *, J. Lindner * & W. Ditto* 

author keywords: Coupled map lattice; colored noise; 1/f(alpha) noise; Ornstein-Uhlenbeck process; chaos computing
topics (OpenAlex): stochastic dynamics and bifurcation; Chaos control and synchronization; Ecosystem dynamics and resilience
TL;DR: The effect of colored noise in chaos computing is examined and it is found that coupling the chaos computing elements enhances the robustness of chaos computing. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: September 5, 2020

2016 article

Role of network topology in noise reduction using coupled dynamics

Kohar, V., Kia, S., Kia, B., Lindner, J. F., & Ditto, W. L. (2016, January 19). Nonlinear Dynamics, Vol. 84, pp. 1–8.

By: V. Kohar n, S. Kia n, B. Kia n, J. Lindner * & W. Ditto n 

Contributors: V. Kohar n, S. Kia n, B. Kia n, J. Lindner * & W. Ditto n 

author keywords: Network; Topology; Noise; Coupled map lattices; Coupled dynamics
topics (OpenAlex): Theoretical and Computational Physics; Nonlinear Dynamics and Pattern Formation; stochastic dynamics and bifurcation
TL;DR: The usefulness of coupled redundancy as a mechanism for reduction in local noise in coupled map lattices is studied and the role of network topology, coupling strength, and iteration number in this mechanism is investigated. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2016 article

Superlinearly scalable noise robustness of redundant coupled dynamical systems

Kohar, V., Kia, B., Lindner, J. F., & Ditto, W. L. (2016, March 11). Physical Review. E, Vol. 93.

By: V. Kohar n, B. Kia n, J. Lindner * & W. Ditto n 

topics (OpenAlex): Gene Regulatory Network Analysis; Protein Structure and Dynamics; Plant and Biological Electrophysiology Studies
TL;DR: It is demonstrated that the noise robustness of redundant coupled dynamical systems can actually be scaled superlinearly if some conditions are met and very high Noise robustness can be realized with very few coupled units. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 article

Coupling Reduces Noise: Applying Dynamical Coupling to Reduce Local White Additive Noise

Kia, B., Kia, S., Lindner, J. F., Sinha, S., & Ditto, W. L. (2015, March 1). International Journal of Bifurcation and Chaos, Vol. 25.

By: B. Kia *, S. Kia*, J. Lindner *, S. Sinha * & W. Ditto* 

Contributors: B. Kia *, S. Kia*, J. Lindner *, S. Sinha * & W. Ditto* 

author keywords: Coupled map lattice; noise; nonlinear systems
topics (OpenAlex): stochastic dynamics and bifurcation; Neural dynamics and brain function; Chaos control and synchronization
TL;DR: It is demonstrated how coupling nonlinear dynamical systems can reduce the effects of noise and developed a theoretical model that explains this observed noise evolution and shows how the coupled dynamics can naturally function as an averaging filter. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2015 journal article

Exploiting chaos for applications

Chaos: An Interdisciplinary Journal of Nonlinear Science, 25(9), 097615.

By: W. Ditto*  & S. Sinha *

Contributors: W. Ditto*  & S. Sinha *

topics (OpenAlex): Cellular Automata and Applications; Chaos control and synchronization; Neural Networks and Applications
TL;DR: An illustrative research arc is presented, starting with ideas of control, based on the general understanding of chaos, moving over to applications that influence the course of building better devices. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2015 article

Nonlinear dynamics based digital logic and circuits

Kia, B., Lindner, J. F., & Ditto, W. L. (2015, May 15). Frontiers in Computational Neuroscience, Vol. 9.

By: B. Kia *, J. Lindner * & W. Ditto* 

Contributors: B. Kia *, J. Lindner * & W. Ditto* 

author keywords: Boolean logic; nonlinear dynamics; dynamics based computing; noise robustness; dynamical coupling; chaos computing; ternary logic gate; multiple-valued logic circuits
topics (OpenAlex): Advanced Memory and Neural Computing; Neural Networks and Applications; Neural dynamics and brain function
TL;DR: For the first time, it is shown how dynamics can be used and programmed to implement computation in any given base, including but not limited to base two. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2015 journal article

Simple nonlinear models suggest variable star universality

Physica D: Nonlinear Phenomena, 316, 16–22.

By: J. Lindner *, V. Kohar *, B. Kia*, M. Hippke, J. Learned* & W. Ditto* 

Contributors: J. Lindner *, V. Kohar *, B. Kia*, M. Hippke, J. Learned* & W. Ditto* 

author keywords: Nonlinear dynamics; Variable stars; Golden ratio; Universality
topics (OpenAlex): Stellar, planetary, and galactic studies; Scientific Research and Discoveries; Fractal and DNA sequence analysis
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2015 article

Strange Nonchaotic Stars

Lindner, J. F., Kohar, V., Kia, B., Hippke, M., Learned, J. G., & Ditto, W. L. (2015, February 3). Physical Review Letters, Vol. 114.

By: J. Lindner *, V. Kohar *, B. Kia *, M. Hippke, J. Learned* & W. Ditto* 

Contributors: J. Lindner *, V. Kohar *, B. Kia *, M. Hippke, J. Learned* & W. Ditto* 

topics (OpenAlex): Stellar, planetary, and galactic studies; Chaos control and synchronization; Quantum chaos and dynamical systems
TL;DR: Evidence of the first observation of strange nonchaotic dynamics in nature outside the laboratory is presented, which could aid the classification and detailed modeling of variable stars. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2014 chapter

Logic from Dynamics

In H. Leung (Ed.), Chaotic Signal Processing (pp. 102–127). Beijing: Higher Education Press.

By: W. Ditto , A. Miliotis, K. Murali & S. Sinha

Ed(s): H. Leung

Source: NC State University Libraries
Added: January 29, 2021

2014 journal article

Noise tolerant spatiotemporal chaos computing

Chaos: An Interdisciplinary Journal of Nonlinear Science, 24(4), 043110.

By: B. Kia*, S. Kia*, J. Lindner *, S. Sinha * & W. Ditto* 

Contributors: B. Kia*, S. Kia*, J. Lindner *, S. Sinha * & W. Ditto* 

topics (OpenAlex): Chaos control and synchronization; Neural Networks and Applications; Advanced Memory and Neural Computing
TL;DR: This work introduces and design a noise tolerant chaos computing system based on a coupled map lattice and the noise reduction capabilities inherent in coupled dynamical systems, which is more robust to noise than a single map chaos Computing system. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2014 journal article

Pulsation Period Variations in the RRc Lyrae Star KIC 5520878

PULSATION PERIOD VARIATIONS IN THE RRc LYRAE STAR KIC 5520878. The Astrophysical Journal, 798(1), 42.

By: M. Hippke, J. Learned*, A. Zee*, W. Edmondson*, J. Lindner *, B. Kia*, W. Ditto* , I. Stevens *

Contributors: M. Hippke, J. Learned*, A. Zee*, W. Edmondson*, J. Lindner *, B. Kia*, W. Ditto* , I. Stevens *

author keywords: stars: variables: Cepheids; stars: variables: RR Lyrae
topics (OpenAlex): Stellar, planetary, and galactic studies; Gamma-ray bursts and supernovae; Astronomy and Astrophysical Research
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2014 article

Watch Your Step: Integrating Nonlinear Dynamical Flows by Stepping Through Space and Time

Kia, B., Lindner, J. F., & Ditto, W. L. (2014, November 1). International Journal of Bifurcation and Chaos, Vol. 24.

By: B. Kia *, J. Lindner * & W. Ditto* 

Contributors: B. Kia *, J. Lindner * & W. Ditto* 

author keywords: Nonlinear flows; numerical integration; spacetime; time; arc length
topics (OpenAlex): Numerical methods for differential equations; Model Reduction and Neural Networks; Electromagnetic Simulation and Numerical Methods
TL;DR: A unified framework for numerical integration of differential equations based on advancing either the dependent variable, often space, or the independent variable, or any combination of the two, to produce better numerical results and also more faithfully describe the underlying physics. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2013 journal article

Phase shift in the 24-hour rhythm of hippocampal EEG spiking activity in a rat model of temporal lobe epilepsy

Journal of Neurophysiology, 110(5), 1070–1086.

By: D. Stanley *, S. Talathi *, M. Parekh*, D. Cordiner*, J. Zhou *, T. Mareci *, W. Ditto* , P. Carney *

Contributors: D. Stanley *, S. Talathi *, M. Parekh*, D. Cordiner*, J. Zhou *, T. Mareci *, W. Ditto* , P. Carney *

author keywords: circadian input; epilepsy; hippocampus; MRI; mathematical model; in vivo; status epilepticus; medial septum; sharp wave
MeSH headings : Animals; Circadian Rhythm; Disease Models, Animal; Electroencephalography; Epilepsy, Temporal Lobe / physiopathology; Hippocampus / physiopathology; Male; Rats; Rats, Sprague-Dawley; Septum of Brain / pathology; Theta Rhythm; Time Factors
topics (OpenAlex): Sleep and Wakefulness Research; Circadian rhythm and melatonin; Neuroscience and Neuropharmacology Research
TL;DR: It is suggested that balanced circadian input is critical to maintaining natural circadian phase in the hippocampus and that damage to circadian relay centers, such as the medial septum, may disrupt this balance. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2013 chapter

Synthetic Computation: Chaos Computing, Logical Stochastic Resonance, and Adaptive Computing

In V. A. Palacios & P. Longhini (Eds.), International Conference on Theory and Application in Nonlinear Dynamics (ICAND 2012) (pp. 51–65).

By: B. Kia*, K. Murali*, M. Jahed Motlagh*, S. Sinha * & W. Ditto* 

Ed(s): V. Palacios & P. Longhini

topics (OpenAlex): stochastic dynamics and bifurcation; Neural Networks Stability and Synchronization; Neural Networks and Applications
TL;DR: This paper demonstrates how a chaotic system can be engineered and mated with different machine learning techniques, such as artificial neural networks, random searching, and genetic algorithm, to design different autonomous systems that can adapt and respond to environmental conditions. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: October 29, 2020

2011 journal article

Chaos computing in terms of periodic orbits

Physical Review E, 84(3).

By: B. Kia *, M. Spano* & W. Ditto* 

Contributors: B. Kia *, M. Spano* & W. Ditto* 

MeSH headings : Nonlinear Dynamics; Normal Distribution; Periodicity
topics (OpenAlex): Chaos control and synchronization; Chaos-based Image/Signal Encryption; Quantum chaos and dynamical systems
TL;DR: Knowing the dynamical equations of the system, the paper compute the system's periodic orbits as well as its stability in terms of its eigenvalues, thereby demonstrating how, how well, and what the chaotic system can compute. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2011 chapter

Chaos for Speech Coding and Production

In Advances in Nonlinear Speech Processing: Vol. 7015 LNAI (pp. 270–278).

By: B. Kia*, W. Ditto*  & M. Spano*

Contributors: B. Kia*, W. Ditto*  & M. Spano*

topics (OpenAlex): Cellular Automata and Applications; Fractal and DNA sequence analysis; Neural Networks and Applications
TL;DR: The presence of nonlinearity and chaotic behavior in the human speech production system has been reported previously, but chaotic dynamics has not been widely exploited in speech coding and artificial speech production algorithms. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2011 chapter

Circadian Regulation of Neural Excitability in Temporal Lobe Epilepsy

In Epilepsy (pp. 289–306).

By: P. Carney, S. Talathi, D. Hwang & W. Ditto 

topics (OpenAlex): Neuroscience and Neuropharmacology Research; Neurobiology and Insect Physiology Research; Neural dynamics and brain function
TL;DR: The results suggest that the acutely induced seizures perturb the phase relationship of SW activity within the CA1 region with respect to the circadian rhythm, which appears to produce an imbalance in the firing dynamics, eventually leading to spontaneous epileptic limbic seizures. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: September 5, 2020

2011 journal article

Creating morphable logic gates using logical stochastic resonance in an engineered gene network

EPL (Europhysics Letters), 93(1), 18001.

By: A. Dari*, B. Kia *, A. Bulsara * & W. Ditto* 

Contributors: A. Dari*, B. Kia *, A. Bulsara * & W. Ditto* 

topics (OpenAlex): Gene Regulatory Network Analysis; stochastic dynamics and bifurcation; Advanced Fluorescence Microscopy Techniques
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2011 journal article

Logical stochastic resonance with correlated internal and external noises in a synthetic biological logic block

Chaos: An Interdisciplinary Journal of Nonlinear Science, 21(4), 047521.

By: A. Dari*, B. Kia*, A. Bulsara * & W. Ditto* 

Contributors: A. Dari*, B. Kia*, A. Bulsara * & W. Ditto* 

MeSH headings : Bacteriophage lambda / genetics; Computer Simulation; Gene Expression Regulation, Viral / genetics; Logistic Models; Models, Biological; Nonlinear Dynamics; Signal Transduction / genetics; Stochastic Processes; Viral Proteins / genetics
topics (OpenAlex): Gene Regulatory Network Analysis; stochastic dynamics and bifurcation; Molecular Communication and Nanonetworks
TL;DR: The intriguing results of this study show that it is possible to build a biological logic block that can emulate or switch from the AND to the OR gate functionalities through externally tuning the system parameters, and are underpinned by the presence of an optimal amount of random fluctuations. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2011 article

Noise Enhanced Logic Gates

Murali, K., Sinha, S., Bulsara, A. R., Dari, A., & Ditto, W. L. (2011, January 1). AIP Conference Proceedings, Vol. 1339, pp. 67–77.

By: K. Murali*, S. Sinha *, A. Bulsara *, A. Dari* & W. Ditto* 

Contributors: K. Murali*, S. Sinha *, A. Bulsara *, A. Dari* & W. Ditto* 

author keywords: Logic Gates
topics (OpenAlex): stochastic dynamics and bifurcation
TL;DR: This concept of noise enhanced logic gate performance under optimal noise was called Logical Stochastic Resonance (LSR) and the extension of this approach to realize logic gates with Coherence Resonance Systems (LCR). (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2011 journal article

Noise-aided computation within a synthetic gene network through morphable and robust logic gates

Physical Review E, 83(4), 041909.

By: A. Dari*, B. Kia *, X. Wang *, A. Bulsara * & W. Ditto* 

Contributors: A. Dari*, B. Kia *, X. Wang *, A. Bulsara * & W. Ditto* 

MeSH headings : Computer Simulation; Computers, Molecular; Gene Expression Regulation / physiology; Models, Genetic; Proteins / metabolism; Signal Processing, Computer-Assisted / instrumentation; Signal Transduction / physiology
topics (OpenAlex): Gene Regulatory Network Analysis; stochastic dynamics and bifurcation; Advanced Fluorescence Microscopy Techniques
TL;DR: A synthetic gene network derived from the bacteriophage λ underpins a reconfigurable logic gate wherein the logic gate can emulate or "morph" the AND and OR operations through varying internal system parameters in a noisy background. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2011 article

Reprogrammable biological logic gate that exploits noise

Dari, A., Bulsara, A. R., Ditto, W. L., & Wang, X. (2011, November 1). 2011 IEEE Biomedical Circuits and Systems Conference, BioCAS 2011, pp. 337–340.

By: A. Dari*, A. Bulsara *, W. Ditto*  & X. Wang *

Contributors: A. Dari*, A. Bulsara *, W. Ditto*  & X. Wang *

topics (OpenAlex): Gene Regulatory Network Analysis; CRISPR and Genetic Engineering; Evolution and Genetic Dynamics
TL;DR: The possibility to exploit noise when it cannot be eliminated is demonstrated and the LSR paradigm is adapted to a single-gene network derived from the bacteriophage λ and from the yeast S. cerevisiae, demonstrating that in both cases there is an optimal amount of noise. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2011 journal article

Stochastic amplification of calcium-activated potassium currents in Ca2+ microdomains

Journal of Computational Neuroscience, 31(3), 647–666.

By: D. Stanley *, B. Bardakjian *, M. Spano* & W. Ditto* 

Contributors: D. Stanley *, B. Bardakjian *, M. Spano* & W. Ditto* 

author keywords: Stochastic; Calcium-activated potassium; SK2; Microdomain; Noise; Hill coefficient; Subthreshold
MeSH headings : Animals; Calcium Signaling / physiology; Hippocampus / physiology; Humans; Ion Channel Gating / physiology; Membrane Microdomains / physiology; Models, Neurological; Neurons / physiology; Small-Conductance Calcium-Activated Potassium Channels / physiology; Stochastic Processes
topics (OpenAlex): Ion channel regulation and function; Neuroscience and Neural Engineering; stochastic dynamics and bifurcation
TL;DR: Stochastic amplification can potentially explain subthreshold SK2 activation in unified models of both sub- and suprathreshold regimes and is expected to be a general phenomenon relevant to many proteins that are activated nonlinearly by stochastic ligand release. (via Semantic Scholar)
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6. Clean Water and Sanitation (OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2011 journal article

Unstable periodic orbits and noise in chaos computing

Chaos: An Interdisciplinary Journal of Nonlinear Science, 21(4), 047520.

By: B. Kia*, A. Dari*, W. Ditto*  & M. Spano*

Contributors: B. Kia*, A. Dari*, W. Ditto*  & M. Spano*

MeSH headings : Computer Simulation; Models, Statistical; Nonlinear Dynamics
topics (OpenAlex): Fractal and DNA sequence analysis; Chaos control and synchronization; Plant and Biological Electrophysiology Studies
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2010 journal article

A Noise-Assisted Reprogrammable Nanomechanical Logic Gate

Nano Letters, 10(4), 1168–1171.

By: D. Guerra*, A. Bulsara *, W. Ditto* , S. Sinha *, K. Murali* & P. Mohanty *

Contributors: D. Guerra*, A. Bulsara *, W. Ditto* , S. Sinha *, K. Murali* & P. Mohanty *

author keywords: Nanomechanical logic; nanomechanical computing; logical stochastic resonance; stochastic resonance; nanomechanical resonator
MeSH headings : Electrodes; Logic; Nanotechnology / instrumentation; Nanotechnology / methods; Silicon / chemistry
topics (OpenAlex): stochastic dynamics and bifurcation; Mechanical and Optical Resonators; Force Microscopy Techniques and Applications
TL;DR: A nanomechanical device, operating as a reprogrammable logic gate, and performing fundamental logic functions such as AND/OR and NAND/NOR, affords a path to the practical realization of a new generation of mechanical computers. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2010 journal article

Chaogates: Morphing logic gates that exploit dynamical patterns

Chaos: An Interdisciplinary Journal of Nonlinear Science, 20(3), 037107.

By: W. Ditto* , A. Miliotis*, K. Murali*, S. Sinha * & M. Spano

Contributors: W. Ditto* , A. Miliotis*, K. Murali*, S. Sinha * & M. Spano

author keywords: chaos; logic gates; nonlinear dynamical systems
MeSH headings : Logic; Nonlinear Dynamics
topics (OpenAlex): Cellular Automata and Applications; Neural Networks and Reservoir Computing; Advanced Memory and Neural Computing
TL;DR: The basic concepts underlying chaotic systems are reviewed and an extension of the formalism to include asymmetric logic functions is presented, which forms the basis of the design of a dynamical computing device that can be rapidly morphed to become any desired logic gate. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2010 journal article

Chaogates: morphing logic gates that exploit dynamical patterns.

Chaos (Woodbury, N.Y.), 20(3). http://www.scopus.com/inward/record.url?eid=2-s2.0-79952116718&partnerID=MN8TOARS

By: W. Ditto , A. Miliotis, K. Murali, S. Sinha & M. Spano

Contributors: W. Ditto , A. Miliotis, K. Murali, S. Sinha & M. Spano

www.scopus.com
Source: ORCID
Added: December 30, 2019

2010 journal article

Effects of phase on homeostatic spike rates

Biological Cybernetics, 102(5), 427–440.

By: N. Fisher*, S. Talathi *, P. Carney * & W. Ditto* 

Contributors: N. Fisher*, S. Talathi *, P. Carney * & W. Ditto* 

author keywords: Homeostatic synaptic plasticity; Phase; Epilepsy; Spike rate
MeSH headings : Action Potentials / physiology; Animals; Homeostasis; Models, Neurological; Neuronal Plasticity / physiology; Neurons / physiology; Periodicity
topics (OpenAlex): Neural dynamics and brain function; Advanced Memory and Neural Computing; Neuroscience and Neuropharmacology Research
TL;DR: Exitatory neurons, particularly those in which the excitatory neuron is presynaptic, have the most influence in producing the diverging spike rates and causing the spike rates to be anti-phase, which suggests that theexcitatory neuronal population could be implicated in a methodology designed to control epileptic seizures. (via Semantic Scholar)
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2. Zero Hunger (OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2010 journal article

Granger causality relationships between local field potentials in an animal model of temporal lobe epilepsy

Journal of Neuroscience Methods, 189(1), 121–129.

By: A. Cadotte*, T. DeMarse*, T. Mareci *, M. Parekh*, S. Talathi *, D. Hwang *, W. Ditto* , M. Ding *, P. Carney *

Contributors: A. Cadotte*, T. DeMarse*, T. Mareci *, M. Parekh*, S. Talathi *, D. Hwang *, W. Ditto* , M. Ding *, P. Carney *

author keywords: Granger causality; Temporal lobe epilepsy; Seizure; Animal model of epilepsy; Functional connectivity; Effective connectivity; Magnetic Resonance Imaging (MRI); Histology; Microelectrode array
MeSH headings : Action Potentials / physiology; Algorithms; Animals; Causality; Disease Models, Animal; Electrophysiology / methods; Epilepsy, Temporal Lobe / physiopathology; Evoked Potentials / physiology; Hippocampus / anatomy & histology; Hippocampus / physiopathology; Male; Microelectrodes; Neural Pathways / anatomy & histology; Neural Pathways / physiology; Neurons / physiology; Neurophysiology / methods; Rats; Rats, Sprague-Dawley; Seizures / physiopathology; Signal Processing, Computer-Assisted; Time Factors
topics (OpenAlex): Neural dynamics and brain function; Neuroscience and Neural Engineering; EEG and Brain-Computer Interfaces
TL;DR: This study uses Granger causality to determine the strength and direction of relationships between local field potentials recorded from bilateral microelectrode arrays in an intermittent spontaneous seizure model of chronic temporal lobe epilepsy and suggests a reversal in the direction of GC relationships during seizure. (via Semantic Scholar)
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3. Good Health and Well-being (OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2010 journal article

Introduction to Focus Issue: Intrinsic and Designed Computation: Information Processing in Dynamical Systems—Beyond the Digital Hegemony

Chaos: An Interdisciplinary Journal of Nonlinear Science, 20(3), 037101.

By: J. Crutchfield *, W. Ditto*  & S. Sinha *

Contributors: J. Crutchfield *, W. Ditto*  & S. Sinha *

author keywords: information theory; nonlinear dynamical systems
topics (OpenAlex): Computability, Logic, AI Algorithms; Cellular Automata and Applications; DNA and Biological Computing
TL;DR: The broad and rather eclectic set of articles in this Focus Issue that highlights a range of current challenges in computing and dynamical systems are introduced. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2010 journal article

Logical stochastic resonance

Chemical Physics, 375(2-3), 424–434.

By: A. Bulsara *, A. Dari*, W. Ditto* , K. Murali* & S. Sinha *

Contributors: A. Bulsara *, A. Dari*, W. Ditto* , K. Murali* & S. Sinha *

author keywords: Logic gates; Stochastic resonance
topics (OpenAlex): stochastic dynamics and bifurcation; Ecosystem dynamics and resilience; Gene Regulatory Network Analysis
TL;DR: The concept of "Logical Stochastic Resonance" (LSR) is reviewed and details of an electronic circuit system demonstrating LSR are provided, including CMOS implementations of a simple LSR circuit, and the concatenation of these LSR modules to emulate combinational logic, such as data flip-flop and full adder operations. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2010 journal article

Support vector machines for seizure detection in an animal model of chronic epilepsy

Journal of Neural Engineering, 7(3), 036001.

By: M. Nandan*, S. Talathi *, S. Myers*, W. Ditto* , P. Khargonekar * & P. Carney *

Contributors: M. Nandan*, S. Talathi *, S. Myers*, W. Ditto* , P. Khargonekar * & P. Carney *

MeSH headings : Algorithms; Animals; Artificial Intelligence; Brain / physiopathology; Chronic Disease; Diagnosis, Computer-Assisted / methods; Electroencephalography / methods; Epilepsy / diagnosis; Epilepsy / physiopathology; Humans; Pattern Recognition, Automated / methods; Rats; Rats, Sprague-Dawley; Reproducibility of Results; Sensitivity and Specificity
topics (OpenAlex): EEG and Brain-Computer Interfaces; Epilepsy research and treatment; Neuroscience and Neuropharmacology Research
TL;DR: It is found that SVDD not only performed better than the other SVM types in terms of highest value of the mean optimality index metric () but also gave a more reliable performance across the two EEG datasets. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2010 journal article

Synchrony with shunting inhibition in a feedforward inhibitory network

Journal of Computational Neuroscience, 28(2), 305–321.

By: S. Talathi *, D. Hwang *, P. Carney * & W. Ditto* 

Contributors: S. Talathi *, D. Hwang *, P. Carney * & W. Ditto* 

author keywords: Synchrony; Shunting inhibition; Spike time response curve; Arnold tongue; Feed forward network
MeSH headings : Action Potentials / physiology; Biological Clocks / physiology; Brain / physiology; Computer Simulation; Interneurons / physiology; Membrane Potentials / physiology; Models, Neurological; Nerve Net / physiology; Neural Inhibition / physiology; Synapses / physiology; Synaptic Transmission / physiology
topics (OpenAlex): Neural dynamics and brain function; Neuroscience and Neuropharmacology Research; Photoreceptor and optogenetics research
TL;DR: A general theoretical framework using spike time response curves (STRC’s) to study patterns of synchrony in a simple network of two unidirectionally coupled interneurons interacting through a shunting synapse is developed and an approximate discrete map is derived to analyze the dynamics of synchronous states in the UCI network by taking into account the nonlinear contributions of the higher order STRC terms. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2010 chapter

The Chaos Computing Paradigm

In Reviews of Nonlinear Dynamics and Complexity (Vol. 3, pp. 1–35).

By: W. Ditto* , A. Miliotis*, K. Murali* & S. Sinha *

Contributors: W. Ditto* , A. Miliotis*, K. Murali* & S. Sinha *

topics (OpenAlex): Computability, Logic, AI Algorithms; Evolutionary Algorithms and Applications; Quantum Computing Algorithms and Architecture
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2009 article

A simple nonlinear dynamical computing device

Miliotis, A., Murali, K., Sinha, S., Ditto, W. L., & Spano, M. L. (2009, March 23). Chaos Solitons & Fractals, Vol. 42, pp. 809–819.

By: A. Miliotis*, K. Murali*, S. Sinha *, W. Ditto*  & M. Spano

Contributors: A. Miliotis*, K. Murali*, S. Sinha *, W. Ditto*  & M. Spano

topics (OpenAlex): Neural Networks and Reservoir Computing; Quantum Computing Algorithms and Architecture; Cellular Automata and Applications
TL;DR: An iterated map whose nonlinearity has a simple (i.e., minimal) electronic implementation is proposed and characterized, and it is demonstrated explicitly how all the different fundamental logic gates can be implemented and morphed using this non linearity. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2009 article

ANALYSIS OF HIGH-RESOLUTION MICROELECTRODE EEG RECORDINGS IN AN ANIMAL MODEL OF SPONTANEOUS LIMBIC SEIZURES

KOMALAPRIYA, C., ROMANO, M. C., THIEL, M., SCHWARZ, U., KURTHS, J., SIMONOTTO, J., … CARNEY, P. R. (2009, February 1). International Journal of Bifurcation and Chaos, Vol. 19, pp. 605–617.

By: C. Komalapriya *, M. Romano *, M. Thiel *, U. Schwarz *, J. Kurths *, J. Simonotto*, M. Furman*, W. Ditto* , P. Carney *

Contributors: C. Komalapriya *, M. Romano *, M. Thiel *, U. Schwarz *, J. Kurths *, J. Simonotto*, M. Furman*, W. Ditto* , P. Carney *

author keywords: Multiarray microelectrode; EEG recordings; RQA; RTS
topics (OpenAlex): Neural dynamics and brain function; Neuroscience and Neuropharmacology Research; Fractal and DNA sequence analysis
TL;DR: Results of spectral analysis confirm the importance of very high frequency oscillations in normal (healthy) and abnormal (epileptic) hippocampus and show that the measures of Recurrence Quantification Analysis (RQA) and Recurrence Time Statistics (RTS) are successful in indicating the onset of ictal state and the occurrence of some warnings/precursors during the pre-ictalState. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2009 article

Circadian control of neural excitability in an animal model of temporal lobe epilepsy

Talathi, S. S., Hwang, D.-U., Ditto, W. L., Mareci, T., Sepulveda, H., Spano, M., & Carney, P. R. (2009, March 23). Neuroscience Letters, Vol. 455, pp. 145–149.

By: S. Talathi *, D. Hwang *, W. Ditto* , T. Mareci *, H. Sepulveda*, M. Spano, P. Carney *

Contributors: S. Talathi *, D. Hwang *, W. Ditto* , T. Mareci *, H. Sepulveda*, M. Spano, P. Carney *

author keywords: Circadian rhythm; Epilepsy; Epileptogenesis; Latent period; Imbalance; Population spikes
MeSH headings : Animals; Circadian Rhythm / physiology; Electrodes, Implanted; Electrophysiology; Epilepsy, Temporal Lobe / physiopathology; Hippocampus / physiology; Male; Microelectrodes; Models, Neurological; Neurons / physiology; Rats; Rats, Sprague-Dawley
topics (OpenAlex): Neuroscience and Neuropharmacology Research; Neural dynamics and brain function; Neuroscience and Neural Engineering
TL;DR: Experimental evidence is provided for the emerging imbalance in the firing activity of two distinct classes of population spikes recorded from the hippocampal area CA1 in an animal model of temporal lobe epilepsy and for the interaction between firing activities of populations of excitatory and inhibitory neurons. (via Semantic Scholar)
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3. Good Health and Well-being (OpenAlex)
Source: ORCID
Added: December 30, 2019

2009 article

Construction of a Chaotic Computer Chip

Ditto, W. L., Murali, K., & Sinha, S. (2009, February 9). Understanding Complex Systems, Vol. 2009, pp. 3–13.

By: W. Ditto* , K. Murali* & S. Sinha

Contributors: W. Ditto*  & S. Sinha

topics (OpenAlex): Cellular Automata and Applications; Chaos-based Image/Signal Encryption; Neural Networks and Applications
TL;DR: It is hoped that the construction and commercialization of the ChaoLogixTM chaotic computer chip will enable the flexibility of field programmable gate arrays (FPGA), the optimization and speed of application specific integrated circuits (ASIC) and the general utility of a central processing unit (CPU) within the same computer chip architecture. (via Semantic Scholar)
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11. Sustainable Cities and Communities (OpenAlex)
Source: ORCID
Added: December 30, 2019

2009 article

Logic from nonlinear dynamical evolution

Murali, K., Miliotis, A., Ditto, W. L., & Sinha, S. (2009, February 15). Physics Letters A, Vol. 373, pp. 1346–1351.

By: K. Murali*, A. Miliotis*, W. Ditto*  & S. Sinha *

Contributors: K. Murali*, A. Miliotis*, W. Ditto*  & S. Sinha *

author keywords: Chaotic systems; Digital logic; Computing with chaos
topics (OpenAlex): Evolutionary Algorithms and Applications; Neural Networks and Reservoir Computing; Cellular Automata and Applications
TL;DR: This work proposes a direct and flexible implementation of logic operations using the dynamical evolution of a nonlinear system, and demonstrates how the single dynamical system can do more complex operations such as bit-by-bit addition in just a few iterations. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2009 article

Predicting synchrony in heterogeneous pulse coupled oscillators

Talathi, S. S., Hwang, D.-U., Miliotis, A., Carney, P. R., & Ditto, W. L. (2009, August 11). Physical Review E, Vol. 80.

By: S. Talathi *, D. Hwang *, A. Miliotis*, P. Carney * & W. Ditto* 

Contributors: S. Talathi *, D. Hwang *, A. Miliotis*, P. Carney * & W. Ditto* 

author keywords: neurophysiology; physiological models
MeSH headings : Models, Neurological; Neurons / cytology; Nonlinear Dynamics; Synapses / metabolism
topics (OpenAlex): Nonlinear Dynamics and Pattern Formation; Neural dynamics and brain function; Photoreceptor and optogenetics research
TL;DR: A general theory is presented that extends beyond the weak-coupling approximation to account for higher-order PRC corrections in the derivation of an approximate discrete map, the stable fixed point of which can predict the domain of 1:1 phase locked synchronous states generated by the PCO network. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2009 chapter

Quantitative Sleep Monitoring

In S. Tong & N. V. Thakor (Eds.), Quantitative EEG Analysis Methods and Applications. Norwood, MA, USA: Artech House, Inc.

By: P. Carney, N. Fisher, W. Ditto  & J. Geyer

Ed(s): S. Tong & N. Thakor

Source: NC State University Libraries
Added: January 29, 2021

2009 article

ROBUST CONTROL OF SPATIOTEMPORAL CHAOS IN COUPLED MAP LATTICES

RAHMANI, Z., MOTLAGH, M. R. J. A. H. E. D., & DITTO, W. I. L. L. I. A. M. (2009, June 1). International Journal of Bifurcation and Chaos, Vol. 19, pp. 2031–2042.

By: Z. Rahmani *, M. Motlagh* & W. Ditto* 

Contributors: Z. Rahmani *, M. Motlagh* & W. Ditto* 

author keywords: Complex system; spatiotemporal chaos; coupled map lattices; quasi sliding mode control; Lyapunov function; stability; tracking; attractiveness; invariant band; additive uncertainties
topics (OpenAlex): Chaos control and synchronization; Nonlinear Dynamics and Pattern Formation; Quantum chaos and dynamical systems
TL;DR: A new method based on quasi-sliding mode using a Lyapunov function that enables the system to drive the chaotic motion toward any desired trajectory via a sliding surface in the error space through its robustness with respect to additive uncertainties and its applicability for all types of coupled map lattices. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2009 journal article

Realization of reliable and flexible logic gates using noisy nonlinear circuits

Applied Physics Letters, 95(19), 194102.

By: K. Murali*, I. Rajamohamed*, S. Sinha *, W. Ditto*  & A. Bulsara *

Contributors: K. Murali*, I. Rajamohamed*, S. Sinha *, W. Ditto*  & A. Bulsara *

topics (OpenAlex): stochastic dynamics and bifurcation; Neural dynamics and brain function; Nonlinear Dynamics and Pattern Formation
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

2009 article

Reliable Logic Circuit Elements that Exploit Nonlinearity in the Presence of a Noise Floor

Murali, K., Sinha, S., Ditto, W. L., & Bulsara, A. R. (2009, March 10). Physical Review Letters, Vol. 102.

By: K. Murali*, S. Sinha *, W. Ditto*  & A. Bulsara *

Contributors: K. Murali*, S. Sinha *, W. Ditto*  & A. Bulsara *

topics (OpenAlex): stochastic dynamics and bifurcation; Gene Regulatory Network Analysis; Ecosystem dynamics and resilience
TL;DR: It is shown that when one presents two square waves as input to a two-state system, the response of the system can produce a logical output with a probability controlled by the noise intensity, which is a "logical stochastic resonance". (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2009 chapter

Seizure Detection and Monitoring

In L. J. Greenfield, J. D. Geyer, & P. R. Carney (Eds.), Reading EEGs: A Practical Approach (1st ed.). Philadelphia: Lippincott-Williams & Wilkins, Inc.

By: N. Fisher, S. Talathi, A. Cadotte, S. Myers, W. Ditto , J. Geyer, P. Carney

Ed(s): L. Greenfield, J. Geyer & P. Carney

Source: NC State University Libraries
Added: January 29, 2021

2008 article

EXPLOITING NONLINEAR DYNAMICS TO STORE AND PROCESS INFORMATION

MILIOTIS, A. B. R. A. H. A. M., SINHA, S. U. D. E. S. H. N. A., & DITTO, W. I. L. L. I. A. M. L. (2008, May 1). International Journal of Bifurcation and Chaos, Vol. 18, pp. 1551–1559.

By: A. Miliotis*, S. Sinha * & W. Ditto* 

Contributors: A. Miliotis*, S. Sinha * & W. Ditto* 

author keywords: chaos computing; data storage; information processing; encoding; search; threshold control
topics (OpenAlex): Cellular Automata and Applications; Chaos control and synchronization; Neural Networks and Applications
TL;DR: This work demonstrates how a single nonlinear dynamical element can store M items, where M is variable and can be large, and shows how this method of storing information can serve as a preprocessing tool for pattern matching searches. (via Semantic Scholar)
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UN Sustainable Development Goal Categories
4. Quality Education (OpenAlex)
Source: ORCID
Added: December 30, 2019

2008 article

Effective and Anatomical Connectivity in a Rat Model of Spontaneous Limbic Seizure

Carney, P. R., Cadotte, A., Demarse, T. B., Vemuri, B., Mareci, T. H., & Ditto, W. (2008, August 20). Seizure Prediction in Epilepsy: From Basic Mechanisms to Clinical Applications, pp. 45–59.

By: P. Carney *, A. Cadotte*, T. Demarse*, B. Vemuri *, T. Mareci * & W. Ditto* 

Contributors: P. Carney *, A. Cadotte*, T. Demarse*, B. Vemuri *, T. Mareci * & W. Ditto* 

topics (OpenAlex): Advanced Neuroimaging Techniques and Applications; Neurological disorders and treatments; Genetic Neurodegenerative Diseases
Source: ORCID
Added: December 30, 2019

2008 article

Non-parametric early seizure detection in an animal model of temporal lobe epilepsy

Talathi, S. S., Hwang, D.-U., Spano, M. L., Simonotto, J., Furman, M. D., Myers, S. M., … Carney, P. R. (2008, February 27). Journal of Neural Engineering, Vol. 5, pp. 85–98.

By: S. Talathi *, D. Hwang *, M. Spano, J. Simonotto*, M. Furman*, S. Myers*, J. Winters*, W. Ditto* , P. Carney *

Contributors: S. Talathi *, D. Hwang *, M. Spano, J. Simonotto*, M. Furman*, S. Myers*, J. Winters*, W. Ditto* , P. Carney *

author keywords: 1
MeSH headings : Algorithms; Animals; Data Interpretation, Statistical; Electrodes, Implanted; Electroencephalography; Epilepsy, Temporal Lobe / diagnosis; Male; Rats; Rats, Sprague-Dawley; Seizures / diagnosis; Statistics, Nonparametric
topics (OpenAlex): EEG and Brain-Computer Interfaces; Neural dynamics and brain function; Neuroscience and Neural Engineering
TL;DR: The performance of five non-parametric, univariate seizure detection schemes (embedding delay, Hurst scale, wavelet scale, nonlinear autocorrelation and variance energy) were evaluated as a function of the sampling rate of EEG recordings, the electrode types used for EEG acquisition, and the spatial location of the EEG electrodes to determine the applicability of the measures in real-time closed-loop seizure intervention. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2008 journal article

Reconfigurable logic blocks based on a chaotic Chua circuit

Chaos, Solitons & Fractals, 41(1), 233–244.

By: H. Pourshaghaghi*, B. Kia*, W. Ditto*  & M. Jahed-Motlagh *

Contributors: H. Pourshaghaghi*, B. Kia*, W. Ditto*  & M. Jahed-Motlagh *

topics (OpenAlex): Cellular Automata and Applications; Neural Networks and Applications; Chaos control and synchronization
TL;DR: A method is formed that demonstrates that the chaotic saddles of the inherent chaotic dynamics can be exploited to enhance the robustness of the logic functions with respect to noise. (via Semantic Scholar)
Sources: ORCID, Crossref
Added: December 30, 2019

2008 article

Spike timing dependent plasticity promotes synchrony of inhibitory networks in the presence of heterogeneity

Talathi, S. S., Hwang, D.-U., & Ditto, W. L. (2008, February 22). Journal of Computational Neuroscience, Vol. 25, pp. 262–281.

By: S. Talathi *, D. Hwang * & W. Ditto* 

Contributors: S. Talathi *, D. Hwang * & W. Ditto* 

author keywords: inhibitory synapses; spike timing dependent plasticity; synchronization; networks; heterogeneity
MeSH headings : Action Potentials / physiology; Animals; Computer Simulation; Models, Neurological; Nerve Net / physiology; Neural Inhibition / physiology; Neuronal Plasticity / physiology; Neurons / classification; Neurons / physiology; Sodium Channels / physiology; Synapses / physiology; Synaptic Transmission; Time Factors
topics (OpenAlex): Neural dynamics and brain function; Neuroscience and Neural Engineering; Advanced Memory and Neural Computing
TL;DR: A robust mechanism based on this observed synaptic plasticity rule for inhibitory synapses for two mutually coupled interneurons to phase lock in synchrony in the presence of intrisic heterogeneity in firing is proposed. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2008 article

Temporal Lobe Epilepsy: Anatomical and Effective Connectivity

Cadotte, A. J., Mareci, T. H., DeMarse, T. B., Parekh, M. B., Rajagovindan, R., Ditto, W. L., … Carney, P. R. (2008, September 26). IEEE Transactions on Neural Systems and Rehabilitation Engineering, Vol. 17, pp. 214–223.

By: A. Cadotte*, T. Mareci *, T. DeMarse*, M. Parekh*, R. Rajagovindan*, W. Ditto* , S. Talathi *, D. Hwang *, P. Carney *

Contributors: A. Cadotte*, T. Mareci *, T. DeMarse*, M. Parekh*, R. Rajagovindan*, W. Ditto* , S. Talathi *, D. Hwang *, P. Carney *

author keywords: Connectivity; diffusion weighted imaging; Granger causality (GC); magnetic resonance imaging (MRI); temporal lobe epilepsy (TLE)
MeSH headings : Action Potentials; Algorithms; Brain / pathology; Brain / physiopathology; Brain Mapping / methods; Computer Simulation; Epilepsy, Temporal Lobe / pathology; Epilepsy, Temporal Lobe / physiopathology; Humans; Models, Anatomic; Models, Neurological; Nerve Net / pathology; Nerve Net / physiopathology; Synaptic Transmission
topics (OpenAlex): Functional Brain Connectivity Studies; Advanced Neuroimaging Techniques and Applications; Epilepsy research and treatment
TL;DR: This paper reviews two different connectivity-based approaches with an emphasis on application to the study of epilepsy and presents effective connectivity techniques, such as Granger causality, that has been used to assess the dynamic directional relationships among brain regions. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2008 article

Temporal spike pattern learning

Talathi, S. S., Abarbanel, H. D. I., & Ditto, W. L. (2008, September 23). Physical Review E, Vol. 78.

By: S. Talathi *, H. Abarbanel * & W. Ditto* 

Contributors: S. Talathi *, H. Abarbanel * & W. Ditto* 

MeSH headings : Action Potentials; Algorithms; Animals; Biophysics / methods; Humans; Learning; Models, Biological; Models, Neurological; Nerve Net / physiology; Neuronal Plasticity / physiology; Neurons / metabolism; Synapses / physiology; Synaptic Transmission; Time Factors
topics (OpenAlex): Neural dynamics and brain function; Advanced Memory and Neural Computing; Neural Networks and Reservoir Computing
TL;DR: This work presents two specific implementations for the IRU circuitry, derived from the general architecture that can both learn the ISIs of a training sequence and then recognize the same ISI sequence when it is presented on subsequent occasions. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2007 article

Chaos computing: ideas and implementations

Ditto, W. L., Murali, K., & Sinha, S. (2007, August 13). Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences, Vol. 366, pp. 653–664.

By: W. Ditto* , K. Murali* & S. Sinha *

Contributors: W. Ditto* , K. Murali* & S. Sinha *

author keywords: chaos; computation; logic gates
topics (OpenAlex): Cellular Automata and Applications; Computability, Logic, AI Algorithms
TL;DR: The concept of the ‘chaos computing’ paradigm, which exploits the controlled richness of nonlinear dynamics to obtain flexible reconfigurable hardware, is reviewed. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2007 article

DYNAMIC TRANSMURALITY: CARDIAC OPTICAL MAPPING REVEALS WAVES TRAVEL ACROSS TRANSMURAL ABLATION LINES

SIMONOTTO, J. E. N. N. I. F. E. R. D., FURMAN, M. I. C. H. A. E. L. D., DITTO, W. I. L. L. I. A. M. L., MILIOTIS, A. B. R. A. H. A. M., SPANO, M. A. R. K. L., & BEAVER, T. H. O. M. A. S. M. (2007, September 1). International Journal of Bifurcation and Chaos, Vol. 17, pp. 3229–3234.

By: J. Simonotto*, M. Furman*, W. Ditto* , A. Miliotis*, M. Spano* & T. Beaver *

Contributors: J. Simonotto*, M. Furman*, W. Ditto* , A. Miliotis*, M. Spano* & T. Beaver *

author keywords: Lagendorff preparation; voltage-sensitive dye; radio-frequency ablation; atrial arrhythmia; porcine cardiac model
topics (OpenAlex): Cardiac electrophysiology and arrhythmias; Atrial Fibrillation Management and Outcomes; Cardiac Arrhythmias and Treatments
Source: ORCID
Added: December 30, 2019

2007 article

Early seizure detection in an animal model of temporal lobe epilepsy

Talathi, S. S., Hwang, D.-U., Ditto, W., Carney, P. R., Seref, O., Kundakcioglu, O. E., & Pardalos, P. (2007, January 1). AIP Conference Proceedings, Vol. 953, pp. 292–307.

By: S. Talathi, D. Hwang, W. Ditto* , P. Carney, O. Seref, O. Kundakcioglu, P. Pardalos

Contributors: S. Talathi, D. Hwang, W. Ditto*  & P. Carney

topics (OpenAlex): EEG and Brain-Computer Interfaces; Electrochemical Analysis and Applications; NMR spectroscopy and applications
TL;DR: The nonlinear embedding delay measure was found to have the highest optimality index due to its ability to detect seizure very close to the EEG seizure onset time, thereby making it the most suitable dynamical measure in the development of RCLSIP in rat model with chronic limbic epilepsy. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2007 article

FAULT TOLERANCE AND DETECTION IN CHAOTIC COMPUTERS

JAHED-MOTLAGH, M. O. H. A. M. M. A. D. R., BEHNAM, K. I. A., DITTO, W. I. L. L. I. A. M. L., & SINHA, S. U. D. E. S. H. N. A. (2007, June 1). International Journal of Bifurcation and Chaos, Vol. 17, pp. 1955–1968.

By: M. Jahed Motlagh *, K. Behnam *, W. Ditto*  & S. Sinha *

Contributors: M. Jahed-Motlagh *, B. Kia *, W. Ditto*  & S. Sinha *

author keywords: dynamics based computing; one-dimensional chaotic maps; testing systems; testing vectors
topics (OpenAlex): Cellular Automata and Applications; Algorithms and Data Compression; Chaos-based Image/Signal Encryption
TL;DR: A structural testing method for a dynamics based computing device that exploits the dynamical properties of chaotic systems to detect damaged logic blocks, so that damaged elements can be detected by very few testing inputs, leading to very low testing time. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2007 article

Introduction: Cardiovascular physics

Wessel, N., Kurths, J., Ditto, W., & Bauernschmitt, R. (2007, March 1). Chaos An Interdisciplinary Journal of Nonlinear Science, Vol. 17.

By: N. Wessel *, J. Kurths *, W. Ditto*  & R. Bauernschmitt*

Contributors: N. Wessel *, J. Kurths *, W. Ditto*  & R. Bauernschmitt*

MeSH headings : Algorithms; Animals; Cardiovascular Diseases / diagnosis; Cardiovascular Diseases / therapy; Computer Simulation; Diagnosis, Computer-Assisted / methods; Heart / physiopathology; Humans; Models, Cardiovascular; Nonlinear Dynamics; Therapy, Computer-Assisted / methods
topics (OpenAlex): Heart Rate Variability and Autonomic Control; Cardiac electrophysiology and arrhythmias; ECG Monitoring and Analysis
TL;DR: It could be demonstrated in this Focus Issue, that data analyses and modeling methods from cardiovascular physics have the ability to lead to significant improvements in different medical fields. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2006 article

Coherence Analysis Over the Latent Period of Epileptogenesis Reveal that High-Frequency Communication is Increased Across Hemispheres in an Animal Model of Limbic Epilepsy

Simonotto, J. D., Myers, S. M., Furman, M. D., Norman, W. M., Liu, Z., DeMarse, T. B., … Ditto, W. L. (2006, August 1). Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings, pp. 1154–1156.

By: J. Simonotto*, S. Myers*, M. Furman*, W. Norman*, Z. Liu *, T. DeMarse*, P. Carney *, W. Ditto* 

Contributors: J. Simonotto*, S. Myers*, M. Furman*, W. Norman*, Z. Liu *, T. Demarse*, P. Carney *, W. Ditto* 

MeSH headings : Algorithms; Animals; Brain Mapping / methods; Cerebrum / physiopathology; Disease Models, Animal; Epilepsy / physiopathology; Limbic System / physiopathology; Models, Neurological; Rats; Rats, Sprague-Dawley; Reaction Time
topics (OpenAlex): Neuroscience and Neural Engineering; Neuroscience and Neuropharmacology Research; Neural dynamics and brain function
TL;DR: Average coherence over time was greatest in intrahemispherical electrode pairs in both stimulated and non-stimulated animals, and up to 200 Hz band displays decreased coherence interhemispherically: this occurs only in stimulated animals. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2006 journal article

Coherence analysis over the latent period of epileptogenesis reveal that high-frequency communication is increased across hemispheres in an animal model of limbic epilepsy.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, 1154–1156. http://www.scopus.com/inward/record.url?eid=2-s2.0-84903876821&partnerID=MN8TOARS

By: J. Simonotto, S. Myers, M. Furman, W. Norman, Z. Liu, T. DeMarse, P. Carney, W. Ditto 

Contributors: J. Simonotto, S. Myers, M. Furman, W. Norman, Z. Liu, T. DeMarse, P. Carney, W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

2006 article

Detection of High Frequency Oscillations with Teager Energy in an Animal Model of Limbic Epilepsy

Nelson, R., Myers, S. M., Simonotto, J. D., Furman, M. D., Spano, M., Norman, W. M., … Ditto, W. L. (2006, August 1). Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings, pp. 2578–2580.

By: R. Nelson*, S. Myers*, J. Simonotto*, M. Furman*, M. Spano*, W. Norman*, Z. Liu *, T. DeMarse*, P. Carney *, W. Ditto* 

Contributors: R. Nelson*, S. Myers*, J. Simonotto*, M. Furman*, M. Spano*, W. Norman*, L. Zhao *, T. DeMarse*, P. Carney *, W. Ditto* 

MeSH headings : Algorithms; Animals; Brain Mapping / methods; Diagnosis, Computer-Assisted / methods; Disease Models, Animal; Electrocardiography / methods; Epilepsy / diagnosis; Epilepsy / physiopathology; Limbic System / physiopathology; Oscillometry / methods; Rats
topics (OpenAlex): Neuroscience and Neuropharmacology Research; Neuroscience and Neural Engineering; Epilepsy research and treatment
TL;DR: This paper presents Teager Energy as a method of finding HFOs because it is able to detect high-frequency, low-amplitude components that conventional energy measurements would miss. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: December 30, 2019

2006 journal article

Detection of high frequency oscillations with Teager energy in an animal model of limbic epilepsy.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, 2578–2580. http://www.scopus.com/inward/record.url?eid=2-s2.0-84903856887&partnerID=MN8TOARS

By: R. Nelson, S. Myers, J. Simonotto, M. Furman, M. Spano, W. Norman, Z. Liu, T. DeMarse, P. Carney, W. Ditto 

Contributors: R. Nelson, S. Myers, J. Simonotto, M. Furman, M. Spano, W. Norman, Z. Liu, T. DeMarse, P. Carney, W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

2006 article

Evolving into epilepsy: Multiscale electrophysiological analysis and imaging in an animal model

Sanchez, J. C., Mareci, T. H., Norman, W. M., Principe, J. C., Ditto, W. L., & Carney, P. R. (2006, January 5). Experimental Neurology, Vol. 198, pp. 31–47.

By: J. Sanchez *, T. Mareci *, W. Norman*, J. Principe *, W. Ditto*  & P. Carney *

Contributors: J. Sanchez *, T. Mareci *, W. Norman*, J. Principe *, W. Ditto*  & P. Carney *

author keywords: epilepsy; epileptogenesis; microelectrode; array; hippocampus; modeling; ensemble; single unit; burst; MRI
MeSH headings : Action Potentials / physiology; Action Potentials / radiation effects; Animals; Azides; Brain Mapping; Disease Models, Animal; Electric Stimulation / methods; Electroplating; Hippocampus / pathology; Hippocampus / physiopathology; Hippocampus / radiation effects; Magnetic Resonance Imaging / methods; Male; Models, Neurological; Neurons / pathology; Neurons / physiology; Octreotide / analogs & derivatives; Rats; Rats, Sprague-Dawley; Spectrum Analysis; Status Epilepticus / pathology; Status Epilepticus / physiopathology; Time Factors
topics (OpenAlex): Neuroscience and Neural Engineering; Neuroscience and Neuropharmacology Research; Neural dynamics and brain function
TL;DR: Multi-microelectrode array technology is used to provide an electrophysiologic quantification of a hippocampal neural ensemble during the latent period of epileptogenesis and suggests that hippocampal neurons in both CA1-2 and dentate regions increase the number and duration of their bursting activity after injury to the contra-lateral hippocampus. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Source: ORCID
Added: December 30, 2019

2006 article

Exploiting Chaos for Computation

Ditto, W. L., Murali, K., & Sinha, S. (2006, December 1). IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS, pp. 1835–1838.

By: W. Ditto* , K. Murali* & S. Sinha *

Contributors: W. Ditto* , K. Mural* & S. Sinha *

topics (OpenAlex): Evolutionary Algorithms and Applications; Cellular Automata and Applications; Neural dynamics and brain function
TL;DR: The concept of the "chaos computing" paradigm, which exploits the controlled richness of nonlinear dynamics to obtain flexible reconfigurable hardware to indicate the latest technological advances in the field. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2006 article

Exploiting Nonlinear Dynamics to Search for the Existence of Matches in a Database

Miliotis, A., Ditto, W. L., & Sinha, S. (2006, December 1). IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS, pp. 1843–1846.

By: A. Miliotis*, W. Ditto*  & S. Sinha *

Contributors: A. Miliotis*, W. Ditto*  & S. Sinha *

topics (OpenAlex): Advanced Database Systems and Queries; Data Management and Algorithms; Data Mining Algorithms and Applications
TL;DR: This work proposes a method that uses nonlinear dynamics to address the task of determining the existence of a specific item in an unsorted arbitrarily large database and shows how this global threshold can be altered for identification of theexistence of items with characteristics close to the searched one. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2006 article

Exploiting the controlled responses of chaotic elements to design configurable hardware

Sinha, S., & Ditto, W. L. (2006, July 27). Philosophical Transactions of the Royal Society A Mathematical Physical and Engineering Sciences, Vol. 364, pp. 2483–2494.

By: S. Sinha * & W. Ditto* 

Contributors: S. Sinha * & W. Ditto* 

author keywords: threshold mechanism; logic gates; dynamic computer architecture
MeSH headings : Algorithms; Computer Simulation; Computer-Aided Design; Equipment Design / methods; Feedback; Kinetics; Logistic Models; Nonlinear Dynamics; Oscillometry / methods; Signal Processing, Computer-Assisted / instrumentation; Systems Theory
topics (OpenAlex): Cellular Automata and Applications; Chaos control and synchronization; Chaos-based Image/Signal Encryption
TL;DR: A key feature of this implementation is that a single chaotic ‘processor’ can be flexibly configured (and re-configured) to emulate different fixed or dynamic logic gates through the simple manipulation of a threshold level. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2006 article

Pre-Ictal Entropy Analysis of Microwire Data from an Animal Model of Limbic Epilepsy

Mishra, M., Jones, B., Simonotto, J. D., Furman, M. D., Norman, W. M., Liu, Z., … Ditto, W. L. (2006, August 1). Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings, pp. 1605–1607.

By: M. Mishra*, B. Jones *, J. Simonotto*, M. Furman*, W. Norman*, Z. Liu *, T. DeMarse*, P. Carney *, W. Ditto* 

Contributors: M. Mishra*, B. Jones *, J. Simonotto*, M. Furman*, W. Norman*, L. Zhao *, T. DeMarse*, P. Carney *, W. Ditto* 

MeSH headings : Algorithms; Animals; Diagnosis, Computer-Assisted / methods; Disease Models, Animal; Electrodes, Implanted; Electroencephalography / instrumentation; Electroencephalography / methods; Entropy; Epilepsy / diagnosis; Epilepsy / physiopathology; Hippocampus / physiopathology; Limbic System / physiopathology; Rats
topics (OpenAlex): Neuroscience and Neuropharmacology Research; Neural dynamics and brain function; Fractal and DNA sequence analysis
TL;DR: The primary aim was to uncover underlying relative changes in signals between the Dentate Gyrus and CA1 areas of the bilateral hippocampus in an animal model of limbic epilepsy using Shannon entropy and correlation analysis. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Source: ORCID
Added: December 30, 2019

2006 journal article

Pre-ictal entropy analysis of microwire data from an animal model of limbic epilepsy.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference, 1605–1607. http://www.scopus.com/inward/record.url?eid=2-s2.0-84903863001&partnerID=MN8TOARS

By: M. Mishra, B. Jones, J. Simonotto, M. Furman, W. Norman, Z. Liu, T. DeMarse, P. Carney, W. Ditto 

Contributors: M. Mishra, B. Jones, J. Simonotto, M. Furman, W. Norman, Z. Liu, T. DeMarse, P. Carney, W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

2006 article

Reconfigurable Logic Element using a Chaotic Circuit

Murali, K., Sinha, S., & Ditto, W. L. (2006, December 1). IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS, pp. 1839–1842.

By: K. Murali*, S. Sinha * & W. Ditto* 

Contributors: K. Murali*, S. Sinha * & W. Ditto* 

topics (OpenAlex): Cellular Automata and Applications; DNA and Biological Computing; Quantum-Dot Cellular Automata
TL;DR: The experimental realization of all the fundamental logic gates, flexibly, using a chaotic circuit using a simple threshold mechanism, and the ability of on-the-fly dynamic reconfiguration of this logic cell. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2006 article

Using Recurrence Quantification Analysis Determinism for Noise Removal in Cardiac Optical Mapping

Furman, M. D., Simonotto, J. D., Beaver, T. M., Spano, M. L., & Ditto, W. L. (2006, March 22). IEEE Transactions on Biomedical Engineering, Vol. 53, pp. 767–770.

By: M. Furman*, J. Simonotto*, T. Beaver *, M. Spano* & W. Ditto* 

Contributors: M. Furman*, J. Simonotto*, T. Beaver *, M. Spano* & W. Ditto* 

author keywords: determinism; optical mapping; noise; noise reduction; Recurrence Quantification Analysis; signal-to-noise ratio; standard median filter
MeSH headings : Algorithms; Animals; Body Surface Potential Mapping / methods; Computer Simulation; Heart Conduction System / cytology; Heart Conduction System / physiology; Image Enhancement / methods; In Vitro Techniques; Microscopy, Fluorescence / methods; Models, Cardiovascular; Models, Statistical; Stochastic Processes; Swine
topics (OpenAlex): Heart Rate Variability and Autonomic Control; Non-Invasive Vital Sign Monitoring; Cardiac electrophysiology and arrhythmias
TL;DR: The method illustrates an improved process for selecting filtering parameters and how using measured signal-to-noise ratio alone can lead to improper parameter selection. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2005 journal article

Construction of a reconfigurable dynamic logic cell

Pramana, 64(3), 433–441.

By: K. Murali*, S. Sinha * & W. Ditto* 

Contributors: K. Murali*, S. Sinha * & W. Ditto* 

author keywords: nonlinear circuits; logic gates; computer architecture
topics (OpenAlex): Neural Networks and Reservoir Computing; Advanced Memory and Neural Computing; Cellular Automata and Applications
TL;DR: This work reports the first experimental realization of all the fundamental logic gates, flexibly, using a chaotic circuit, and demonstrates the combination of gates through a halfadder implementation. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: December 30, 2019

2005 article

Nonlinear analysis of cardiac optical mapping data reveals ordered period in defibrillation failure

Simonotto, J. D., Furman, M. D., Ditto, W. L., Spano, M. L., Liu, G., & Kav, K. M. (2005, January 1). Computers in Cardiology, Vol. 32, pp. 551–554.

By: J. Simonotto*, M. Furman*, W. Ditto* , M. Spano*, G. Liu* & K. Kav*

Contributors: J. Simonotto*, M. Furman*, W. Ditto* , M. Spano*, G. Liu* & K. Kavanagh*

topics (OpenAlex): Cardiac electrophysiology and arrhythmias; EEG and Brain-Computer Interfaces; ECG Monitoring and Analysis
TL;DR: Recurrence plots were used as a tool to qualify the evolution of ordered behavior on the heart surface before fibrillation was reestablished in defibrillation failure and may provide a window in which a smaller, corrective shock may be applied to achievedefibrillation. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2003 conference paper

Chaos in Neural Systems: From Epilepsy to Neurocomputing

Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings, 4, 3830–3833. http://www.scopus.com/inward/record.url?eid=2-s2.0-1542360051&partnerID=MN8TOARS

By: W. Ditto 

Contributors: W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

2003 article

Implementation of NOR Gate by a Chaotic Chua's Circuit

Murali, K., Sinha, S., & Ditto, W. L. (2003, September 1). International Journal of Bifurcation and Chaos, Vol. 13, pp. 2669–2672.

By: K. Murali*, S. Sinha * & W. Ditto* 

Contributors: K. Murali*, S. Sinha * & W. Ditto* 

author keywords: chaos; computing; circuit
topics (OpenAlex): Cellular Automata and Applications; Quantum Computing Algorithms and Architecture; Neural Networks and Applications
TL;DR: The experimental implementation of the most fundamental NOR gate with a chaotic Chua's circuit by a simple threshold mechanism provides a proof of-principle experiment to demonstrate the universal computing capability of chaotic circuits in continuous time systems. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2003 conference paper

Nonlinear Analysis of Failed Ventricular Defibrillation

Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings, 1, 196–199. http://www.scopus.com/inward/record.url?eid=2-s2.0-1542362570&partnerID=MN8TOARS

By: J. Simonotto, M. Furman, W. Ditto , M. Spano, G. Liu & K. Kavanagh

Contributors: J. Simonotto, M. Furman, W. Ditto , M. Spano, G. Liu & K. Kavanagh

www.scopus.com
Source: ORCID
Added: December 30, 2019

2003 journal article

Realization of the fundamental NOR gate using a chaotic circuit

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 68(1 2), 162051–162055. http://www.scopus.com/inward/record.url?eid=2-s2.0-17144383290&partnerID=MN8TOARS

By: K. Murali, S. Sinha & W. Ditto 

Contributors: K. Murali, S. Sinha & W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

2003 chapter

Unstable Periodic Orbits (UPOs) and Chaos Control in Neural Systems

In Epilepsy as a Dynamic Disease (pp. 297–322).

By: M. Spano, W. Ditto* , K. Dolan & F. Moss

topics (OpenAlex): Neural Networks and Applications; Neural dynamics and brain function
TL;DR: Recently the authors have begun to realize that irregularity is much richer than mere randomness can encompass. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: September 5, 2020

2003 conference paper

Voltage-sensitive optical mapping for atrial fibrillation ablation treatment

Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings, 1, 145–147. http://www.scopus.com/inward/record.url?eid=2-s2.0-1542332789&partnerID=MN8TOARS

By: M. Furman, J. Simonotto, T. Beaver, M. Spano, W. Ditto , G. Liu, K. Kavanagh

Contributors: M. Furman, J. Simonotto, T. Beaver, M. Spano, W. Ditto , G. Liu, K. Kavanagh

www.scopus.com
Source: ORCID
Added: December 30, 2019

2002 article

Chaos computing: implementation of fundamental logical gates by chaotic elements

Munakata, T., Sinha, S., & Ditto, W. L. (2002, November 1). IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications, Vol. 49, pp. 1629–1633.

By: T. Munakata *, S. Sinha * & W. Ditto* 

Contributors: T. Munakata *, S. Sinha * & W. Ditto* 

author keywords: chaos computing; new computing paradigm; one-dimensional (1-D) chaotic systems
topics (OpenAlex): Cellular Automata and Applications; Chaos control and synchronization; Chaos-based Image/Signal Encryption
TL;DR: Basic principles of implementing the most fundamental computing functions by chaotic elements are described, which provide a theoretical foundation of computer architecture based on a totally new principle other than silicon chips. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2002 article

Flexible parallel implementation of logic gates using chaotic elements

Sinha, S., Munakata, T., & Ditto, W. L. (2002, February 21). Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, Vol. 65.

By: S. Sinha *, T. Munakata * & W. Ditto* 

Contributors: S. Sinha *, T. Munakata * & W. Ditto* 

topics (OpenAlex): Neural Networks and Reservoir Computing; Neural Networks and Applications; Cellular Automata and Applications
TL;DR: The proposed parallel computing architecture is implemented to obtain parallelized bit-by-bit addition with a two-dimensional chaotic neuronal and a three- dimensional chaotic laser model to demonstrate the parallelism inherent in such systems. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2002 book review

Keeping in sync

[Review of Synchronization: A universal concept in Nonlinear sciences, by A. Pikovsky, M. Rosenblum, & J. Kurths]. Nature, 415(6873), 736–737.

By: W. Ditto* 

topics (OpenAlex): Biotechnology and Related Fields; Psychotherapy Techniques and Applications; Academic Writing and Publishing
Sources: Web Of Science, NC State University Libraries
Added: January 29, 2021

2002 article

Nonlinear antenna technology

Meadows, B. K., Heath, T. H., Neff, J. D., Brown, E. A., Fogliatti, D. W., Gabbay, M., … Ditto, W. L. (2002, May 1). Proceedings of the IEEE, Vol. 90, pp. 882–896.

By: B. Meadows*, T. Heath*, J. Neff*, E. Brown*, D. Fogliatti*, M. Gabbay *, V. In*, P. Hasler*, S. Deweerth*, W. Ditto* 

Contributors: B. Meadows*, T. Heath*, J. Neff*, E. Brown*, D. Fogliatti*, M. Gabbay *, V. In*, P. Hasler*, S. Deweerth*, W. Ditto* 

author keywords: active antenna; analog VLSI; beam forming; beam steering; coupled oscillator array; nonidentical oscillators; nonlinear dynamics
topics (OpenAlex): Nonlinear Dynamics and Pattern Formation; Semiconductor Lasers and Optical Devices; Microwave Engineering and Waveguides
TL;DR: A theoretical framework describing beam shaping and beam forming by exploiting the phase, amplitude, and coupling dynamics of nonlinear oscillator arrays is presented and experimental demonstration of non linear beam steering is realized using analog microelectronics. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2002 article

Parallel computing with extended dynamical systems

Sinha, S., Munakata, T., & Ditto, W. L. (2002, February 19). Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, Vol. 65.

By: S. Sinha *, T. Munakata * & W. Ditto* 

Contributors: S. Sinha *, T. Munakata * & W. Ditto* 

topics (OpenAlex): Cellular Automata and Applications; Theoretical and Computational Physics; Neural Networks and Applications
TL;DR: The scope of parallelism based on extended dynamical systems, in particular, arrays of chaotic elements, is discussed, and the rapid solution of the Deutsch-Jozsa problem is demonstrated utilizing the collective properties of such systems. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

2002 journal article

Reply to “Comment on ‘Monostable array-enhanced stochastic resonance’ ”

Reply to “Comment on ‘Monostable array-enhanced stochastic resonance’ .” Physical Review E, 66(1).

By: J. Lindner *, B. Breen*, A. Bulsara * & W. Ditto* 

topics (OpenAlex): stochastic dynamics and bifurcation; Diffusion and Search Dynamics; Advanced Thermodynamics and Statistical Mechanics
Sources: Crossref, NC State University Libraries
Added: September 5, 2020

2002 chapter

Spatio-temporal nonlinear dynamics: a new beginning

In J. Hogan, A. R. Krauskopf, M. di Bernado, R. E. Wilson, H. M. Osinga, M. E. Homer, & A. R. Champneys (Eds.), Nonlinear Dynamics and Chaos: Where do we go from here?

By: W. Ditto* 

Ed(s): J. Hogan, A. Krauskopf, M. di Bernado, R. Wilson, H. Osinga, M. Homer, A. Champneys

topics (OpenAlex): Slime Mold and Myxomycetes Research
Sources: Crossref, NC State University Libraries
Added: December 25, 2020

2001 journal article

Controlling neuronal spikes

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 63(5 II), 562091–562098. http://www.scopus.com/inward/record.url?eid=2-s2.0-0035333398&partnerID=MN8TOARS

By: S. Sinha & W. Ditto 

Contributors: S. Sinha & W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

2001 journal article

Monostable array-enhanced stochastic resonance

Physical Review E, 63(5).

By: J. Lindner *, B. Breen*, M. Wills*, A. Bulsara * & W. Ditto* 

Contributors: J. Lindner *, B. Breen*, M. Wills*, A. Bulsara * & W. Ditto* 

topics (OpenAlex): stochastic dynamics and bifurcation; Nonlinear Dynamics and Pattern Formation; Diffusion and Search Dynamics
TL;DR: A simple nonlinear system that exhibits multiple distinct stochastic resonances may elucidate and facilitate a variety of noise-mediated cooperative phenomena, such as noise-enhanced propagation, in a broad class of similar nonlinear systems. (via Semantic Scholar)
Sources: Crossref, ORCID
Added: December 30, 2019

2001 journal article

Noninvasive control of stochastic resonance

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 63(4 I), 411071–411078. http://www.scopus.com/inward/record.url?eid=2-s2.0-0035304907&partnerID=MN8TOARS

By: J. Lindner, J. Mason, J. Neff, B. Breen, W. Ditto  & A. Bulsara

Contributors: J. Lindner, J. Mason, J. Neff, B. Breen, W. Ditto  & A. Bulsara

www.scopus.com
Source: ORCID
Added: December 30, 2019

2000 article

Chaos at 35,000 feet

Ditto, W. L. (2000, June 1). IEEE Instrumentation & Measurement Magazine, Vol. 3, pp. 18–21.

By: W. Ditto* 

Contributors: W. Ditto* 

topics (OpenAlex): Neural dynamics and brain function
Source: ORCID
Added: December 30, 2019

2000 journal article

Control of human atrial fibrillation

International Journal of Bifurcation and Chaos in Applied Sciences and Engineering, 10(3), 593–601. http://www.scopus.com/inward/record.url?eid=2-s2.0-0000156558&partnerID=MN8TOARS

By: W. Ditto , M. Spano, V. In, J. Neff, B. Meadows, J. Langberg, A. Bolmann, K. McTeague

Contributors: W. Ditto , M. Spano, V. In, J. Neff, B. Meadows, J. Langberg, A. Bolmann, K. McTeague

www.scopus.com
Source: ORCID
Added: December 30, 2019

2000 chapter

Electromagnetic fields and biological tissues: from nonlinear response to chaos control

In J. Walleczek (Ed.), Self-Organized Biological Dynamics and Nonlinear Control (pp. 341–373).

By: W. Ditto*  & M. Spano

Ed(s): J. Walleczek

topics (OpenAlex): Biofield Effects and Biophysics
Sources: Crossref, NC State University Libraries
Added: December 25, 2020

2000 journal article

Noise sustained propagation: Local versus global noise

Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 61(5 A), 4954–4961. http://www.scopus.com/inward/record.url?eid=2-s2.0-0001368498&partnerID=MN8TOARS

By: M. Löcher, N. Chatterjee, F. Marchesoni, W. Ditto  & E. Hunt

Contributors: M. Löcher, N. Chatterjee, F. Marchesoni, W. Ditto  & E. Hunt

www.scopus.com
Source: ORCID
Added: December 30, 2019

2000 journal article

Pulse Enhanced Stochastic Resonance

Physics Letters A, 277(1), 13–17.

By: J. Mason*, J. Lindner *, J. Neff*, W. Ditto* , A. Bulsara * & M. Spano*

Contributors: J. Mason*, J. Lindner *, J. Neff*, W. Ditto* , A. Bulsara * & M. Spano*

topics (OpenAlex): stochastic dynamics and bifurcation; Nonlinear Dynamics and Pattern Formation; Spectroscopy and Quantum Chemical Studies
Sources: ORCID, Web Of Science, NC State University Libraries
Added: December 30, 2019

2000 article

Theory of controlling stochastic resonance

Löcher, M., Inchiosa, M. E., Neff, J., Bulsara, A., Wiesenfeld, K., Gammaitoni, L., … Ditto, W. (2000, July 1). Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, Vol. 62, pp. 317–327.

By: M. Löcher*, M. Inchiosa, J. Neff*, A. Bulsara, K. Wiesenfeld *, L. Gammaitoni *, P. Hänggi *, W. Ditto* 

Contributors: M. Löcher*, M. Inchiosa, J. Neff*, A. Bulsara, K. Wiesenfeld *, L. Gammaitoni *, P. Hänggi *, W. Ditto* 

topics (OpenAlex): stochastic dynamics and bifurcation; Diffusion and Search Dynamics; Ecosystem dynamics and resilience
TL;DR: A general theoretical framework is developed, based on a rate equation approach, that captures the essential features observed in experiments and numerical simulations of stochastic resonance. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

1999 chapter

Chaos Control in Biological Systems

In H. G. Schuster (Ed.), Handbook of Chaos Control.

By: M. Spano & W. Ditto* 

Ed(s): H. Schuster

topics (OpenAlex): Neural dynamics and brain function
Sources: NC State University Libraries, NC State University Libraries
Added: January 29, 2021

1999 journal article

Chaos at 35,000 feet

Industrial Physicist, 5(4), 27–29.

By: W. Ditto 

Source: NC State University Libraries
Added: January 29, 2021

1999 journal article

Computing with distributed chaos

Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 60(1), 363–377. http://www.scopus.com/inward/record.url?eid=2-s2.0-18144376447&partnerID=MN8TOARS

By: S. Sinha & W. Ditto 

Contributors: S. Sinha & W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

1999 journal article

Controlling stochastic resonance

Physical Review Letters, 82(23), 4574–4577. http://www.scopus.com/inward/record.url?eid=2-s2.0-0000617726&partnerID=MN8TOARS

By: L. Gammaitoni, M. Löcher, A. Bulsara, P. Hänggi, J. Neff, K. Wiesenfeld, W. Ditto , M. Inchiosa

Contributors: L. Gammaitoni, M. Löcher, A. Bulsara, P. Hänggi, J. Neff, K. Wiesenfeld, W. Ditto , M. Inchiosa

www.scopus.com
Source: ORCID
Added: December 30, 2019

1998 journal article

A method for visualization of ventricular fibrillation: Design of a cooled fiberoptically coupled image intensified CCD data acquisition system incorporating wavelet shrinkage based adaptive filtering

Chaos, 8(1), 94–102. http://www.scopus.com/inward/record.url?eid=2-s2.0-0346207529&partnerID=MN8TOARS

By: F. Witkowski, L. Leon, P. Penkoske, R. Clark, M. Spano, W. Ditto , W. Giles

Contributors: F. Witkowski, L. Leon, P. Penkoske, R. Clark, M. Spano, W. Ditto , W. Giles

www.scopus.com
Source: ORCID
Added: December 30, 2019

1998 journal article

Can neurons distinguish chaos from noise?

International Journal of Bifurcation and Chaos in Applied Sciences and Engineering, 8(4), 767–781. http://www.scopus.com/inward/record.url?eid=2-s2.0-0040944349&partnerID=MN8TOARS

By: J. Lindner, B. Meadows, T. Marsh, W. Ditto  & A. Bulsara

Contributors: J. Lindner, B. Meadows, T. Marsh, W. Ditto  & A. Bulsara

www.scopus.com
Source: ORCID
Added: December 30, 2019

1998 journal article

Dynamics based computation

Physical Review Letters, 81(10), 2156–2159. http://www.scopus.com/inward/record.url?eid=2-s2.0-0001266470&partnerID=MN8TOARS

By: S. Sinha & W. Ditto 

Contributors: S. Sinha & W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

1998 journal article

Noise Enhance Propagation

Physical Review Letters, 81, 5048.

By: J. Lindner *, S. Chandramouli*, A. Bulsara *, M. Löcher* & W. Ditto* 

topics (OpenAlex): stochastic dynamics and bifurcation; Nonlinear Dynamics and Pattern Formation; Probabilistic and Robust Engineering Design
Sources: Web Of Science, NC State University Libraries
Added: January 29, 2021

1998 journal article

Noise enhanced propagation

Physical Review Letters, 81(23), 5048–5051. http://www.scopus.com/inward/record.url?eid=2-s2.0-0001608554&partnerID=MN8TOARS

By: J. Lindner, S. Chandramouli, A. Bulsara, M. Löcher & W. Ditto 

Contributors: J. Lindner, S. Chandramouli, A. Bulsara, M. Löcher & W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

1998 conference paper

Spatiotemporal dynamics of a stochastic VLSI array

Proceedings - IEEE International Symposium on Circuits and Systems, 3, 542–545. http://www.scopus.com/inward/record.url?eid=2-s2.0-0031624012&partnerID=MN8TOARS

By: J. Neff, G. Patel, B. Meadows, S. DeWeerth & W. Ditto 

Contributors: J. Neff, G. Patel, B. Meadows, S. DeWeerth & W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

1998 journal article

Spatiotemporal evolution of ventricular fibrillation

Nature, 392(6671), 78–82.

By: F. Witkowski, L. Leon, P. Penkoske, W. Giles, M. Spano, W. Ditto , A. Winfree

Source: ORCID
Added: December 30, 2019

1997 journal article

Control and synchronization of chaos in high dimensional systems: Review of some recent results

Chaos, 7(4), 644–652. http://www.scopus.com/inward/record.url?eid=2-s2.0-0040453558&partnerID=MN8TOARS

By: M. Ding, E. Ding, W. Ditto , B. Gluckman, V. In, J. Peng, M. Spano, W. Yang

Contributors: M. Ding, E. Ding, W. Ditto , B. Gluckman, V. In, J. Peng, M. Spano, W. Yang

www.scopus.com
Source: ORCID
Added: December 30, 2019

1997 journal article

Introduction: Control and synchronization of chaos

Chaos: An Interdisciplinary Journal of Nonlinear Science, 7(4), 509–511.

By: W. Ditto*  & K. Showalter *

topics (OpenAlex): Nonlinear Dynamics and Pattern Formation; Chaos control and synchronization; Complex Systems and Time Series Analysis
TL;DR: The hallmark of deterministic chaos, an extreme sensitivity to initial conditions, suggests that chaotic systems might be difficult if not impossible to control, since any perturbations used for control would grow exponentially in time. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: December 25, 2020

1997 conference paper

Maintaining chaos

Materials Research Society Symposium - Proceedings, 459, 545–555. http://www.scopus.com/inward/record.url?eid=2-s2.0-0030643306&partnerID=MN8TOARS

By: M. Spano, V. In & W. Ditto 

Contributors: M. Spano, V. In & W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

1997 journal article

Maintenance of chaos in a computational model of a thermal pulse combustor

Chaos, 7(4), 605–613. http://www.scopus.com/inward/record.url?eid=2-s2.0-0011254491&partnerID=MN8TOARS

By: V. In, M. Spano, J. Neff, W. Ditto , C. Daw, K. Edwards, K. Nguyen

Contributors: V. In, M. Spano, J. Neff, W. Ditto , C. Daw, K. Edwards, K. Nguyen

www.scopus.com
Source: ORCID
Added: December 30, 2019

1997 journal article

Real-time experimental control of a system in its chaotic and nonchaotic regimes

Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 56(4). http://www.scopus.com/inward/record.url?eid=2-s2.0-0000616907&partnerID=MN8TOARS

By: D. Christini, V. In, M. Spano, W. Ditto  & J. Collins

Contributors: D. Christini, V. In, M. Spano, W. Ditto  & J. Collins

www.scopus.com
Source: ORCID
Added: December 30, 2019

1997 journal article

Tracking unstable periodic orbits in nonstationary high-dimensional chaotic systems: Method and experiment

Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 55(5 A), 4935–4942. http://www.scopus.com/inward/record.url?eid=2-s2.0-0001114969&partnerID=MN8TOARS

By: B. Gluckman, M. Spano, W. Yang, M. Ding, V. In & W. Ditto 

Contributors: B. Gluckman, M. Spano, W. Yang, M. Ding, V. In & W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

1996 journal article

Controlling chaos in high dimensions: Theory and experiment

Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 53(5 SUPPL. A), 4334–4344. http://www.scopus.com/inward/record.url?eid=2-s2.0-0001158240&partnerID=MN8TOARS

By: M. Ding, W. Yang, V. In, W. Ditto , M. Spano & B. Gluckman

Contributors: M. Ding, W. Yang, V. In, W. Ditto , M. Spano & B. Gluckman

www.scopus.com
Source: ORCID
Added: December 30, 2019

1996 journal article

Electric field suppression of epileptiform activity in hippocampal slices

Journal of Neurophysiology, 76(6), 4202–4205. http://www.scopus.com/inward/record.url?eid=2-s2.0-0030473481&partnerID=MN8TOARS

By: B. Gluckman, E. Neel, T. Netoff, W. Ditto , M. Spano & S. Schiff

Contributors: B. Gluckman, E. Neel, T. Netoff, W. Ditto , M. Spano & S. Schiff

www.scopus.com
Source: ORCID
Added: December 30, 2019

1996 conference paper

Novel mapping storage architecture enabling tens of thousands of channels on a personal computer platform

Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings, 5, 1885–1886. http://www.scopus.com/inward/record.url?eid=2-s2.0-0030316054&partnerID=MN8TOARS

By: F. Witkowski, P. Penkoske, R. Plonsey, K. Kavanagh, W. Giles, M. Spano, W. Ditto 

Contributors: F. Witkowski, P. Penkoske, R. Plonsey, K. Kavanagh, W. Giles, M. Spano, W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

1996 journal article

Scaling laws for spatiotemporal synchronization and array enhanced stochastic resonance

Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 53(3), 2081–2086. http://www.scopus.com/inward/record.url?eid=2-s2.0-4243891810&partnerID=MN8TOARS

By: J. Lindner, B. Meadows, W. Ditto , M. Inchiosa & A. Bulsara

Contributors: J. Lindner, B. Meadows, W. Ditto , M. Inchiosa & A. Bulsara

www.scopus.com
Source: ORCID
Added: December 30, 2019

1996 journal article

Stochastic resonance in a neuronal network from mammalian brain

Physical Review Letters, 77(19), 4098–4101. http://www.scopus.com/inward/record.url?eid=2-s2.0-0000325573&partnerID=MN8TOARS

By: B. Gluckman, T. Netoff, E. Neel, W. Ditto , M. Spano & S. Schiff

Contributors: B. Gluckman, T. Netoff, E. Neel, W. Ditto , M. Spano & S. Schiff

www.scopus.com
Source: ORCID
Added: December 30, 2019

1995 article

Adaptive control and tracking of chaos in a magnetoelastic ribbon

In, V., Ditto, W. L., & Spano, M. L. (1995, April 1). Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, Vol. 51.

By: V. In*, W. Ditto*  & M. Spano*

Contributors: V. In*, W. Ditto*  & M. Spano*

topics (OpenAlex): Chaos control and synchronization; Nonlinear Dynamics and Pattern Formation; Quantum chaos and dynamical systems
Source: ORCID
Added: December 30, 2019

1995 article

Array Enhanced Stochastic Resonance and Spatiotemporal Synchronization

Lindner, J. F., Meadows, B. K., Ditto, W. L., Inchiosa, M. E., & Bulsara, A. R. (1995, July 3). Physical Review Letters, Vol. 75, pp. 3–6.

By: J. Lindner *, B. Meadows*, W. Ditto* , M. Inchiosa * & A. Bulsara *

Contributors: J. Lindner *, B. Meadows*, W. Ditto* , M. Inchiosa * & A. Bulsara *

topics (OpenAlex): stochastic dynamics and bifurcation; Nonlinear Dynamics and Pattern Formation; Ecosystem dynamics and resilience
TL;DR: It is shown via numerical simulation that local linear coupling of overdamped nonlinear oscillators significantly enhances the signal-to-noise ratio of the response of a single oscillator to a time-periodic signal and noise. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

1995 article

Chaos control of cardiac arrhythmias

Garfinkel, A., Weiss, J. N., Ditto, W. L., & Spano, M. L. (1995, March 1). Trends in Cardiovascular Medicine, Vol. 5, pp. 76–80.

By: A. Garfinkel *, J. Weiss *, W. Ditto*  & M. Spano

Contributors: A. Garfinkel *, J. Weiss *, W. Ditto*  & M. Spano

topics (OpenAlex): Cardiac electrophysiology and arrhythmias; Nonlinear Dynamics and Pattern Formation; Receptor Mechanisms and Signaling
TL;DR: A recently developed method of chaos control is used to stabilize a ouabain-induced arrhythmia in rabbit ventricular tissue in vitro and extension of these results to clinically significant arrhythmias such as fibrillation will require overcoming the additional obstacles of spatiotemporal complexity. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

1995 conference paper

Development of a nonlinearly deterministic signal generator for real time chaos control testing

Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings, 17(1), 287–288. http://www.scopus.com/inward/record.url?eid=2-s2.0-0029429376&partnerID=MN8TOARS

By: F. Witkowski, P. Penkoske, R. Plonsey, D. Kaplan, M. Spano, W. Ditto , K. Kavanagh

Contributors: F. Witkowski, P. Penkoske, R. Plonsey, D. Kaplan, M. Spano, W. Ditto , K. Kavanagh

www.scopus.com
Source: ORCID
Added: December 30, 2019

1995 article

Disorder-enhanced synchronization

Braiman, Y., Ditto, W. L., Wiesenfeld, K., & Spano, M. L. (1995, October 1). Physics Letters A, Vol. 206, pp. 54–60.

By: Y. Braiman*, W. Ditto* , K. Wiesenfeld * & M. Spano*

Contributors: Y. Braiman*, W. Ditto* , K. Wiesenfeld * & M. Spano*

topics (OpenAlex): Nonlinear Dynamics and Pattern Formation; Quantum optics and atomic interactions; Cold Atom Physics and Bose-Einstein Condensates
Source: ORCID
Added: December 30, 2019

1995 journal article

Dynamics: Numerical Explorations

Physics Today, 48(7), 57–57.

By: H. Nusse, J. Yorke & W. Ditto* 

topics (OpenAlex): Experimental and Theoretical Physics Studies
Sources: Crossref, NC State University Libraries
Added: December 25, 2020

1995 article

Evidence for Determinism in Ventricular Fibrillation

Witkowski, F. X., Kavanagh, K. M., Penkoske, P. A., Plonsey, R., Spano, M. L., Ditto, W. L., & Kaplan, D. T. (1995, August 7). Physical Review Letters, Vol. 75, pp. 1230–1233.

By: F. Witkowski*, K. Kavanagh*, P. Penkoske*, R. Plonsey*, M. Spano*, W. Ditto* , D. Kaplan *

Contributors: F. Witkowski*, K. Kavanagh*, P. Penkoske*, R. Plonsey*, M. Spano*, W. Ditto* , D. Kaplan *

topics (OpenAlex): Cardiac electrophysiology and arrhythmias; stochastic dynamics and bifurcation; Chaos control and synchronization
TL;DR: Using a recently formulated technique for in vivo cardiac transmembrane current estimation and a newly formulated measure of nonlinear determinism, ventricular fibrillation in vivo exhibits deterministic dynamics similar to those previously used in chaos control. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

1995 article

Experimental Maintenance of Chaos

In, V., Mahan, S. E., Ditto, W. L., & Spano, M. L. (1995, May 29). Physical Review Letters, Vol. 74, pp. 4420–4423.

By: V. In*, S. Mahan*, W. Ditto*  & M. Spano*

Contributors: V. In*, S. Mahan*, W. Ditto*  & M. Spano*

topics (OpenAlex): Nonlinear Dynamics and Pattern Formation; Chaos control and synchronization; Plant and Biological Electrophysiology Studies
Source: ORCID
Added: December 30, 2019

1995 article

Principles and applications of chaotic systems

Ditto, W., & Munakata, T. (1995, November 1). Communications of the ACM, Vol. 38, pp. 96–102.

By: W. Ditto*  & T. Munakata *

Contributors: W. Ditto*  & T. Munakata *

topics (OpenAlex): Chaos control and synchronization; Nonlinear Dynamics and Pattern Formation; Mathematical Dynamics and Fractals
TL;DR: To understand why chaos theory can be applied toward the understanding, manipulation, and control of a variety of systems, one must start with a working knowledge of how chaotic systems behave—profoundly, but sometimes subtly different, from the behavior of random systems. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

1995 journal article

Removal, suppression, and control of chaos by nonlinear design

Applied Mechanics Reviews, 48(12 pt 1), 795–808. http://www.scopus.com/inward/record.url?eid=2-s2.0-0029515896&partnerID=MN8TOARS

By: J. Lindner & W. Ditto 

Contributors: J. Lindner & W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

1995 journal article

Taming spatiotemporal chaos with disorder

Nature, 378(6556), 465–467. http://www.scopus.com/inward/record.url?eid=2-s2.0-0001747882&partnerID=MN8TOARS

By: Y. Braiman, J. Lindner & W. Ditto 

Contributors: Y. Braiman, J. Lindner & W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

1995 article

Techniques for the control of chaos

Ditto, W. L., Spano, M. L., & Lindner, J. F. (1995, September 1). Physica D Nonlinear Phenomena, Vol. 86, pp. 198–211.

By: W. Ditto* , M. Spano* & J. Lindner *

Contributors: W. Ditto* , M. Spano* & J. Lindner *

topics (OpenAlex): Chaos control and synchronization; Nonlinear Dynamics and Pattern Formation; stochastic dynamics and bifurcation
Source: ORCID
Added: December 30, 2019

1994 journal article

Chaos and chaos control in biology

Journal of Clinical Investigation, 93(4), 1355–1360. http://www.scopus.com/inward/record.url?eid=2-s2.0-0028197657&partnerID=MN8TOARS

By: J. Weiss, A. Garfinkel, M. Spano & W. Ditto 

Contributors: J. Weiss, A. Garfinkel, M. Spano & W. Ditto 

www.scopus.com
Source: ORCID
Added: December 30, 2019

1994 journal article

Chaos: From Theory to Applications

American Journal of Physics, 62(2), 190–191.

By: R. Tsonis & W. Ditto.* 

topics (OpenAlex): Advanced Thermodynamics and Statistical Mechanics
Sources: Crossref, NC State University Libraries
Added: December 25, 2020

1994 article

Controlling chaos in the brain

Schiff, S. J., Jerger, K., Duong, D. H., Chang, T., Spano, M. L., & Ditto, W. L. (1994, August 1). Nature, Vol. 370, pp. 615–620.

By: S. Schiff *, K. Jerger*, D. Duong*, T. Chang *, M. Spano* & W. Ditto* 

Contributors: S. Schiff *, K. Jerger*, D. Duong*, T. Chang *, M. Spano* & W. Ditto* 

MeSH headings : Action Potentials; Animals; Electric Stimulation; Female; Hippocampus / physiology; In Vitro Techniques; Models, Neurological; Nerve Net; Nonlinear Dynamics; Periodicity; Rats; Rats, Sprague-Dawley
topics (OpenAlex): Neural dynamics and brain function; Nonlinear Dynamics and Pattern Formation; stochastic dynamics and bifurcation
TL;DR: In a spontaneously bursting neuronal network in vitro, chaos can be demonstrated by the presence of unstable fixed-point behaviour, and chaos control techniques can increase the periodicity of such neuronal population bursting behaviour. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

1994 journal article

In vivo transmembrane cardiac current determination provides evidence for unstable fixed points during ventricular fibrillation

Canadian Journal of Cardiology, 10, 94C.

By: F. Witkowski, K. Kavanagh, P. Penkoske, R. Plonsey, D. Kaplan, M. Spano, W. Ditto 

Source: NC State University Libraries
Added: January 29, 2021

1994 article

The fundamentals of controlling chaos

Spano, M. L., & Ditto, W. L. (1994, July 1). Integrative Psychological and Behavioral Science, Vol. 29, pp. 235–245.

By: M. Spano* & W. Ditto* 

Contributors: M. Spano* & W. Ditto* 

MeSH headings : Animals; Data Interpretation, Statistical; Humans; Mathematical Computing; Models, Statistical; Nonlinear Dynamics
topics (OpenAlex): Chaos control and synchronization; Nonlinear Dynamics and Pattern Formation; Mathematical Dynamics and Fractals
TL;DR: A detailed exposition of the mathematics of chaos control is presented, with an eye toward implementation in computer-controlled experiments. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

1993 article

Chaotic resonance: A simulation

Ippen, E., Lindner, J., & Ditto, W. L. (1993, January 1). Journal of Statistical Physics, Vol. 70, pp. 437–450.

By: E. Ippen*, J. Lindner * & W. Ditto* 

Contributors: E. Ippen*, J. Lindner * & W. Ditto* 

author keywords: CHAOS; RESONANCE; STOCHASTIC
topics (OpenAlex): stochastic dynamics and bifurcation; Ecosystem dynamics and resilience; Diffusion and Search Dynamics
Source: ORCID
Added: December 30, 2019

1993 journal article

Mastering Chaos

Scientific American, 269(2), 78–84.

By: W. Ditto*  & L. Pecora

topics (OpenAlex):
Sources: Crossref, NC State University Libraries
Added: September 5, 2020

1992 journal article

Controlling. cardiac chaos

Science, 257(5074), 1230–1235. http://www.scopus.com/inward/record.url?eid=2-s2.0-0026787809&partnerID=MN8TOARS

By: A. Garfinkel, M. Spano, W. Ditto  & J. Weiss

Contributors: A. Garfinkel, M. Spano, W. Ditto  & J. Weiss

www.scopus.com
Source: ORCID
Added: December 30, 2019

1992 article

Experimental observation of stochastic resonance in a magnetoelastic ribbon

Spano, M. L., Wun-Fogle, M., & Ditto, W. L. (1992, October 1). Physical Review A, Vol. 46, pp. 5253–5256.

By: M. Spano*, M. Wun-Fogle* & W. Ditto* 

Contributors: M. Spano*, M. Wun-Fogle* & W. Ditto* 

topics (OpenAlex): stochastic dynamics and bifurcation; Nonlinear Dynamics and Pattern Formation; Ecosystem dynamics and resilience
TL;DR: The observation of stochastic resonance in a parametrically driven bistable magnetoelastic buckling-ribbon experiment is reported and a characteristic spectrum for the probability of residence times for this weakly bistables system is observed. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities (OpenAlex)
Source: ORCID
Added: December 30, 2019

1992 article

Using the sensitive dependence of chaos (the ‘‘butterfly effect’’) to direct trajectories in an experimental chaotic system

Shinbrot, T., Ditto, W., Grebogi, C., Ott, E., Spano, M., & Yorke, J. A. (1992, May 11). Physical Review Letters, Vol. 68, pp. 2863–2866.

By: T. Shinbrot *, W. Ditto* , C. Grebogi *, E. Ott *, M. Spano* & J. Yorke *

Contributors: T. Shinbrot *, W. Ditto* , C. Grebogi *, E. Ott *, M. Spano* & J. Yorke *

topics (OpenAlex): Chaos control and synchronization; Quantum chaos and dynamical systems; Nonlinear Dynamics and Pattern Formation
TL;DR: This paper presents the first experimental verification that the sensitivity of a chaotic system to small perturbations (the butterfly effect) can be used to rapidly direct orbits from an arbitrary initial state to an arbitrary accessible desired state. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

1992 journal article

Using the sensitive dependence of chaos (the ‘‘butterfly effect’’) to direct trajectories in an experimental chaotic system

Physical Review Letters, 68(19), 2863.

By: T. Shinbrot, W. Ditto , C. Grebogi, E. Ott, M. Spano & J. Yorke

Source: ORCID
Added: December 30, 2019

1991 article

Dynamics of a two-frequency parametrically driven duffing oscillator

Heagy, J., & Ditto, W. L. (1991, December 1). Journal of Nonlinear Science, Vol. 1, pp. 423–455.

By: J. Heagy* & W. Ditto* 

Contributors: J. Heagy* & W. Ditto* 

topics (OpenAlex): Chaos control and synchronization; Quantum chaos and dynamical systems; Nonlinear Dynamics and Pattern Formation
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Source: ORCID
Added: December 30, 2019

1991 article

Experimental confirmation of the scaling theory for noise-induced crises

Sommerer, J. C., Ditto, W. L., Grebogi, C., Ott, E., & Spano, M. L. (1991, April 15). Physical Review Letters, Vol. 66, pp. 1947–1950.

By: J. Sommerer*, W. Ditto* , C. Grebogi *, E. Ott * & M. Spano*

Contributors: J. Sommerer*, W. Ditto* , C. Grebogi *, E. Ott * & M. Spano*

topics (OpenAlex): Chaos control and synchronization; Complex Systems and Time Series Analysis; Nonlinear Dynamics and Pattern Formation
TL;DR: This work investigates experimentally the scaling of the average time between intermittent, noise-induced bursts for a chaotic mechanical system near a crisis, then determines \ensuremath{\gamma} for the low-noise (``deterministic'') system, then add noise and observe that the scaling for £tau is as predicted. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

1991 article

Experimental confirmation of the theory for critical exponents of crisis

Sommerer, J. C., Ditto, W. L., Grebogi, C., Ott, E., & Spano, M. L. (1991, February 1). Physics Letters A, Vol. 153, pp. 105–109.

By: J. Sommerer*, W. Ditto* , C. Grebogi *, E. Ott * & M. Spano*

Contributors: J. Sommerer*, W. Ditto* , C. Grebogi *, E. Ott * & M. Spano*

topics (OpenAlex): Chaos control and synchronization; Nonlinear Dynamics and Pattern Formation; Quantum chaos and dynamical systems
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Source: ORCID
Added: December 30, 2019

1991 journal article

Exploitation of chaos for active control: an experiment

Journal of Intelligent Material Systems and Structures, 2(4), 482–493. http://www.scopus.com/inward/record.url?eid=2-s2.0-0026240343&partnerID=MN8TOARS

By: M. Spano, W. Ditto  & S. Rauseo

Contributors: M. Spano, W. Ditto  & S. Rauseo

www.scopus.com
Source: ORCID
Added: December 30, 2019

1990 article

Crisis-induced intermittency in a parametrically driven, gravitationally buckled, magnetoelastic amorphous ribbon experiment (invited)

Savage, H. T., Ditto, W. L., Braza, P. A., Spano, M. L., Rauseo, S. N., & Spring, W. C. (1990, May 1). Journal of Applied Physics, Vol. 67, pp. 5619–5623.

By: H. Savage*, W. Ditto* , P. Braza*, M. Spano*, S. Rauseo* & W. Spring*

Contributors: H. Savage*, W. Ditto* , P. Braza*, M. Spano*, S. Rauseo* & W. Spring III*

topics (OpenAlex): Liquid Crystal Research Advancements; Nonlinear Dynamics and Pattern Formation; Plant Physiology and Cultivation Studies
Source: ORCID
Added: December 30, 2019

1990 article

Exact solutions of nonlinear differential equations using continued fractions

Ditto, W. L., & Pickett, T. J. (1990, April 1). ˜Il œNuovo Cimento Della Società Italiana Di Fisica. B/˜Il œNuovo Cimento B, Vol. 105, pp. 429–435.

By: W. Ditto*  & T. Pickett*

Contributors: W. Ditto*  & T. Pickett*

topics (OpenAlex): Fractional Differential Equations Solutions; Nonlinear Waves and Solitons; Iterative Methods for Nonlinear Equations
Source: ORCID
Added: December 30, 2019

1990 article

Experimental Observation of a Stranger Nonchaotic Attractor

Ditto, W. L., Spano, M. L., Savage, H. T., Rauseo, S. N., Heagy, J., & Ott, E. (1990, August 27). Physical Review Letters, Vol. 65.

By: W. Ditto* , M. Spano, H. Savage, S. Rauseo, J. Heagy & E. Ott

Contributors: W. Ditto* , M. Spano, H. Savage, S. Rauseo, J. Heagy & E. Ott

topics (OpenAlex): Experimental and Theoretical Physics Studies; Chaos-based Image/Signal Encryption; Chaos control and synchronization
Source: ORCID
Added: December 30, 2019

1990 journal article

Experimental control of chaos

Physical Review Letters, 65(26), 3211–3214.

By: W. Ditto* , S. Rauseo* & M. Spano*

Contributors: W. Ditto* , S. Rauseo* & M. Spano*

topics (OpenAlex): Chaos control and synchronization; Quantum chaos and dynamical systems; Nonlinear Dynamics and Pattern Formation
TL;DR: It was demonstrated that one can convert the motion of a chaotic dynamical system to periodic motion by controlling the system about one of the many unstable periodic orbits embedded in the chaotic attractor, through only small time dependent perturbations in an accessible system parameter. (via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019

1990 article

Experimental observation of a strange nonchaotic attractor

Ditto, W. L., Spano, M. L., Savage, H. T., Rauseo, S. N., Heagy, J., & Ott, E. (1990, July 30). Physical Review Letters, Vol. 65, pp. 533–536.

By: W. Ditto* , M. Spano*, H. Savage*, S. Rauseo*, J. Heagy* & E. Ott *

Contributors: W. Ditto* , M. Spano*, H. Savage*, S. Rauseo*, J. Heagy* & E. Ott *

topics (OpenAlex): Chaos control and synchronization; Quantum chaos and dynamical systems; Nonlinear Dynamics and Pattern Formation
TL;DR: Evidence is presented for the existence of a strange nonchaotic attractor in a two-frequency quasi-periodically driven, buckled, magnetoelastic ribbon experiment. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

1989 article

Experimental observation of crisis-induced intermittency and its critical exponent

Ditto, W. L., Rauseo, S., Cawley, R., Grebogi, C., Hsu, G.-H., Kostelich, E., … Yorke, J. A. (1989, August 28). Physical Review Letters, Vol. 63, pp. 923–926.

By: W. Ditto* , S. Rauseo*, R. Cawley*, C. Grebogi *, G. Hsu*, E. Kostelich *, E. Ott *, H. Savage* ...

Contributors: W. Ditto* , S. Rauseo*, R. Cawley*, C. Grebogi *, G. Hsu*, E. Kostelich *, E. Ott *, H. Savage* ...

topics (OpenAlex): Chaos control and synchronization; Nonlinear Dynamics and Pattern Formation; Quantum chaos and dynamical systems
TL;DR: Critical behavior associated with intermittent temporal bursting accompanying the sudden widening of a chaotic attractor was observed and investigated experimentally in a gravitationally buckled, parametrically driven, magnetoelastic ribbon. (via Semantic Scholar)
Source: ORCID
Added: December 30, 2019

1988 journal article

Nonperturbative solutions of nonlinear differential equations using continued fractions

Journal of Mathematical Physics, 29(8), 1761–1770. http://www.scopus.com/inward/record.url?eid=2-s2.0-36549096326&partnerID=MN8TOARS

By: W. Ditto  & T. Pickett

Contributors: W. Ditto  & T. Pickett

www.scopus.com
Source: ORCID
Added: December 30, 2019

Employment

Updated: January 25th, 2023 08:31

2015 - present

North Carolina State University Raleigh, NC, US
Professor Physics

2009 - 2011

Arizona State University Tempe, US
Founding Director & Olin Professor of Biomedical Engineering School of Biological and Health Science Engineering

2002 - 2009

University of Florida Gainesville, US
Founding Chair and Professor Biomedical Engineering

1999 - 2002

Georgia Institute of Technology College of Engineering Atlanta, GA, US
Professor/Founding Faculty Biomedical Engineering

1996 - 1999

Georgia Institute of Technology School of Physics Atlanta, GA, US
Professor Physics

1995 - 1996

Georgia Institute of Technology School of Physics Atlanta, GA, US
Associate Professor Physics

1993 - 1995

Georgia Institute of Technology School of Physics Atlanta, GA, US
Assistant Professor Physics

1991 - 1993

College of Wooster Wooster, US
Assistant Professor Physics

1989 - 1991

Naval Surface Warfare Center Silver Spring, Maryland, US
Senior Scientist Materials

1988 - 1989

Naval Surface Warfare Center Silver Spring, MD, US
ONT Postdoctoral fellow Materials

Education

Updated: December 30th, 2019 12:27

1985 - 1988

Clemson University Clemson, SC, US
PhD Physics

1976 - 1980

University of California Los Angeles Los Angeles, CA, US
BS Physics

Funding History

Funding history based on the linked ORCID record. Updated: January 25th, 2023 08:18

grant May 15, 2021 - May 14, 2023
Nonlinearity and Information Processing
United States Department of the Navy
grant August 1, 2018 - July 1, 2021
Applications of Chaos Computing to Deterministic and Stochastic Computing and to Artificial Intelligence
Office of Naval Research
grant August 16, 2016 - October 1, 2017
Nonlinearity and Information Processing
United States Department of the Navy
grant September 1, 2004 - June 30, 2009
CRCNS Evolution into Epilepsy
National Institute of Biomedical Imaging and Bioengineering

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