William Lawrence Ditto
Also known as: William L. Ditto; Bill Ditto
Artificial Intelligence, Chaos, Neural Networks, Chaos Computing, Hamiltonian Neural Networks, Machine Learning
Works (170)
Updated: April 15th, 2024 08:54
2023 journal article
Neuronal diversity can improve machine learning for physics and beyond
SCIENTIFIC REPORTS, 13(1).
open access via www.nature.com (publisher PDF)
Sources: Web Of Science, NC State University Libraries
Added: April 8, 2024
2023 journal article
Solving quantum billiard eigenvalue problems with physics-informed machine learning
AIP ADVANCES, 13(8).
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 journal article
Reconfigurable Noise-Assisted Logic Gates Exploiting Nonlinear Transformation of Input Signals
PHYSICAL REVIEW APPLIED, 18(1).
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 26, 2022
2021 journal article
Construction of logic gates exploiting resonance phenomena in nonlinear systems
author keywords: stochastic resonance; logical stochastic resonance; noisy logic
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 journal article
Forecasting Hamiltonian dynamics without canonical coordinates
NONLINEAR DYNAMICS, 103(2), 1553–1562.
author keywords: Neural networks; Hamiltonian dynamics; Canonical coordinates; Time series forecasting
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 Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: February 8, 2021
2021 journal article
Harnessing tipping points for logic operations
EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS, 230(16-17), 3403–3409.
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 journal article
Negotiating the separatrix with machine learning
IEICE NONLINEAR THEORY AND ITS APPLICATIONS, 12(2), 134–142.
author keywords: machine learning; neural networks; Hamiltonian dynamics
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 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, October). CHAOS SOLITONS & FRACTALS, Vol. 139.
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.
Ed(s): A. Adamatzky
MeSH headings : Machine Learning; Nonlinear Dynamics
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.
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 journal article
Chaotic attractor hopping yields logic operations
PLOS ONE, 13(12).
Ed(s): A. Adamatzky
MeSH headings : Electronics; Fuzzy Logic; Nonlinear Dynamics
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
An Integrated Circuit Design for a Dynamics-Based Reconfigurable Logic Block
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, 64(6), 715–719.
author keywords: Chaos; computation; integrated circuit; nonlinear dynamical systems theory; programmable logic block
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)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
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.
author keywords: nonlinear dynamics; electroencephalogram; epileptic seizures; empirical mode; decomposition; big data analysis; high-frequency oscillations
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 Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: January 14, 2020
2017 journal article
Implementing Boolean Functions in Hybrid Digital-Analog Systems
PHYSICAL REVIEW APPLIED, 7(4).
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 Goal Categories
16. Peace, Justice and Strong Institutions
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2017 conference paper
Nonlinear dynamics and chaos for fleixble, reconfigurable computing
2017 IEEE International Conference on Rebooting Computing (ICRC), 282–289.
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.
author keywords: cybernetical physics; nonlinear dynamics; computation
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 conference paper
Nonlinear dynamics-based adaptive hardware
2017 nasa/esa conference on adaptive hardware and systems (ahs), 200–205.
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).
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)
Source: Crossref
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.
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).
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Source: Crossref
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.
Source: NC State University Libraries
Added: August 6, 2018
2016 journal article
A Simple Nonlinear Circuit Contains an Infinite Number of Functions
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, 63(10), 944–948.
author keywords: Chaos theory; computation; infinitelymany functions; nonlinear circuit
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 journal article
Dynamical coupling outperforms "majority wins" in organizing redundancy to mitigate noise
NONLINEAR DYNAMICS, 87(1), 605–615.
author keywords: Dynamics; Coupling; Noise; Chaos
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.
author keywords: Coupled map lattice; colored noise; 1/f(alpha) noise; Ornstein-Uhlenbeck process; chaos computing
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 journal article
Role of network topology in noise reduction using coupled dynamics
NONLINEAR DYNAMICS, 84(3), 1805–1812.
Contributors: V. Kohar n, S. Kia n, B. Kia n, J. Lindner * & n
author keywords: Network; Topology; Noise; Coupled map lattices; Coupled dynamics
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 journal article
Simple nonlinear models suggest variable star universality
Physica D: Nonlinear Phenomena, 316, 16–22.
Contributors: J. Lindner *, V. Kohar *, B. Kia*, M. Hippke, J. Learned* & *
author keywords: Nonlinear dynamics; Variable stars; Golden ratio; Universality
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019
2016 journal article
Superlinearly scalable noise robustness of redundant coupled dynamical systems
PHYSICAL REVIEW E, 93(3).
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 journal article
Coupling reduces noise: Applying dynamical coupling to reduce local white additive noise
International Journal of Bifurcation and Chaos, 25(3).
Contributors: B. Kia *, S. Kia*, J. Lindner *, S. Sinha * & *
author keywords: Coupled map lattice; noise; nonlinear systems
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.
Contributors: * & S. Sinha *
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 Goal Categories
11. Sustainable Cities and Communities
(OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019
2015 journal article
Nonlinear dynamics based digital logic and circuits
Frontiers in Computational Neuroscience, 9(MAY).
Contributors: B. Kia *, J. Lindner * & *
author keywords: Boolean logic; nonlinear dynamics; dynamics based computing; noise robustness; dynamical coupling; chaos computing; ternary logic gate; multiple-valued logic circuits
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
Strange nonchaotic stars
Physical Review Letters, 114(5).
Contributors: J. Lindner *, V. Kohar *, B. Kia *, M. Hippke, J. Learned* & *
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.
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.
Contributors: B. Kia*, S. Kia*, J. Lindner *, S. Sinha * & *
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
The Astrophysical Journal, 798(1), 42.
Contributors: M. Hippke, J. Learned*, A. Zee*, W. Edmondson*, J. Lindner *, B. Kia*, * , I. Stevens *
author keywords: stars: variables: Cepheids; stars: variables: RR Lyrae
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019
2014 journal article
Watch your step: Integrating nonlinear dynamical flows by stepping through space and time
International Journal of Bifurcation and Chaos, 24(11).
Contributors: B. Kia *, J. Lindner * & *
author keywords: Nonlinear flows; numerical integration; spacetime; time; arc length
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.
Contributors: D. Stanley *, S. Talathi *, M. Parekh*, D. Cordiner*, J. Zhou *, T. Mareci *, * , 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
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 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). Understanding Complex Systems (pp. 51–65).
Ed(s): V. Palacios & P. Longhini
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)
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).
Contributors: B. Kia *, M. Spano* & *
MeSH headings : Nonlinear Dynamics; Normal Distribution; Periodicity
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).
Contributors: B. Kia*, * & M. Spano*
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).
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.
Contributors: A. Dari*, B. Kia *, A. Bulsara * & *
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.
Contributors: A. Dari*, B. Kia*, A. Bulsara * & *
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
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 conference paper
Noise enhanced logic gates
AIP Conference Proceedings, 1339, 67–77.
Contributors: K. Murali*, S. Sinha *, A. Bulsara *, A. Dari* & *
author keywords: Logic Gates
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.
Contributors: A. Dari*, B. Kia *, X. Wang *, A. Bulsara * & *
MeSH headings : Computer Simulation; Computers, Molecular; Gene Expression Regulation / physiology; Models, Genetic; Proteins / metabolism; Signal Processing, Computer-Assisted / instrumentation; Signal Transduction / physiology
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 conference paper
Reprogrammable biological logic gate that exploits noise
2011 IEEE Biomedical Circuits and Systems Conference, BioCAS 2011, 337–340.
Contributors: A. Dari*, A. Bulsara *, * & X. Wang *
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.
Contributors: D. Stanley *, B. Bardakjian *, M. Spano* & *
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
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)
UN Sustainable Development Goal Categories
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.
Contributors: B. Kia*, A. Dari*, * & M. Spano*
MeSH headings : Computer Simulation; Models, Statistical; Nonlinear Dynamics
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.
Contributors: D. Guerra*, A. Bulsara *, * , 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
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.
Contributors: * , A. Miliotis*, K. Murali *, S. Sinha * & M. Spano
author keywords: chaos; logic gates; nonlinear dynamical systems
MeSH headings : Logic; Nonlinear Dynamics
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
Effects of phase on homeostatic spike rates
Biological Cybernetics, 102(5), 427–440.
Contributors: N. Fisher*, S. Talathi *, P. Carney * & *
author keywords: Homeostatic synaptic plasticity; Phase; Epilepsy; Spike rate
MeSH headings : Action Potentials / physiology; Animals; Homeostasis; Models, Neurological; Neuronal Plasticity / physiology; Neurons / physiology; Periodicity
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)
UN Sustainable Development Goal Categories
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.
Contributors: A. Cadotte*, T. DeMarse*, T. Mareci *, M. Parekh*, S. Talathi *, D. Hwang *, * , 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
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)
UN Sustainable Development Goal Categories
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.
Contributors: J. Crutchfield *, * & S. Sinha *
author keywords: information theory; nonlinear dynamical systems
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.
Contributors: A. Bulsara *, A. Dari*, * , K. Murali * & S. Sinha *
author keywords: Logic gates; Stochastic resonance
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.
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
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.
Contributors: S. Talathi *, D. Hwang *, P. Carney * & *
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
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).
Contributors: * , A. Miliotis*, K. Murali * & S. Sinha *
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019
2009 journal article
A simple nonlinear dynamical computing device
Chaos, Solitons and Fractals, 42(2), 809–819.
Contributors: A. Miliotis*, K. Murali *, S. Sinha *, * & M. Spano
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 journal article
Analysis of high-resolution microelectrode EEG recordings in an animal model of spontaneous lmbic seizures
International Journal of Bifurcation and Chaos, 19(2), 605–617.
Contributors: C. Komalapriya *, M. Romano *, M. Thiel *, U. Schwarz *, J. Kurths *, J. Simonotto *, M. Furman*, * , P. Carney *
author keywords: Multiarray microelectrode; EEG recordings; RQA; RTS
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 journal article
Circadian control of neural excitability in an animal model of temporal lobe epilepsy
Neuroscience Letters, 455(2), 145–149.
Contributors: S. Talathi *, D. Hwang *, * , 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
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)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: ORCID
Added: December 30, 2019
2009 book
Construction of a chaotic computer chip
In Understanding Complex Systems (Vol. 2009, pp. 3–13).
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)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(OpenAlex)
Source: ORCID
Added: December 30, 2019
2009 journal article
Logic from nonlinear dynamical evolution
Physics Letters, Section A: General, Atomic and Solid State Physics, 373(15), 1346–1351.
Contributors: K. Murali *, A. Miliotis*, * & S. Sinha *
author keywords: Chaotic systems; Digital logic; Computing with chaos
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 journal article
Predicting synchrony in heterogeneous pulse coupled oscillators
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 80(2).
Contributors: S. Talathi *, D. Hwang, A. Miliotis, P. Carney & *
author keywords: neurophysiology; physiological models
MeSH headings : Models, Neurological; Neurons / cytology; Nonlinear Dynamics; Synapses / metabolism
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.
Ed(s): S. Tong & N. Thakor
Source: NC State University Libraries
Added: January 29, 2021
2009 journal article
Realization of reliable and flexible logic gates using noisy nonlinear circuits
Applied Physics Letters, 95(19), 194102.
Contributors: K. Murali *, I. Rajamohamed*, S. Sinha *, * & A. Bulsara *
Sources: ORCID, Crossref, NC State University Libraries
Added: December 30, 2019
2009 journal article
Reliable logic circuit elements that exploit nonlinearity in the presence of a noise floor
Physical Review Letters, 102(10).
Contributors: K. Murali *, S. Sinha *, * & A. Bulsara *
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 journal article
Robust control of spatiotemporal chaos in coupled map lattices
International Journal of Bifurcation and Chaos, 19(6), 2031–2042.
Contributors: Z. Rahmani *, M. Motlagh & *
author keywords: Complex system; spatiotemporal chaos; coupled map lattices; quasi sliding mode control; Lyapunov function; stability; tracking; attractiveness; invariant band; additive uncertainties
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 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.
Ed(s): L. Greenfield, J. Geyer & P. Carney
Source: NC State University Libraries
Added: January 29, 2021
2008 book
Effective and Anatomical Connectivity in a Rat Model of Spontaneous Limbic Seizure
In Seizure Prediction in Epilepsy: From Basic Mechanisms to Clinical Applications (pp. 45–59).
Contributors: P. Carney *, A. Cadotte*, T. Demarse*, B. Vemuri *, T. Mareci * & *
Source: ORCID
Added: December 30, 2019
2008 journal article
Exploiting nonlinear dynamics to store and process information
International Journal of Bifurcation and Chaos, 18(5), 1551–1559.
Contributors: A. Miliotis*, S. Sinha * & *
author keywords: chaos computing; data storage; information processing; encoding; search; threshold control
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)
UN Sustainable Development Goal Categories
4. Quality Education
(OpenAlex)
Source: ORCID
Added: December 30, 2019
2008 journal article
Non-parametric early seizure detection in an animal model of temporal lobe epilepsy
Journal of Neural Engineering, 5(1), 85–98.
Contributors: S. Talathi *, D. Hwang *, M. Spano, J. Simonotto *, M. Furman*, S. Myers*, J. Winters*, * , 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
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.
Contributors: H. Pourshaghaghi*, B. Kia*, * & M. Jahed-Motlagh *
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 journal article
Spike timing dependent plasticity promotes synchrony of inhibitory networks in the presence of heterogeneity
Journal of Computational Neuroscience, 25(2), 262–281.
Contributors: S. Talathi *, D. Hwang * & *
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
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 journal article
Temporal lobe epilepsy: Anatomical and effective connectivity
IEEE Transactions on Neural Systems and Rehabilitation Engineering, 17(3), 214–223.
Contributors: A. Cadotte*, T. Mareci *, T. DeMarse*, M. Parekh*, R. Rajagovindan*, * , 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
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 journal article
Temporal spike pattern learning
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 78(3).
Contributors: S. Talathi *, H. Abarbanel * & *
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
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 journal article
Chaos computing: Ideas and implementations
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 366(1865), 653–664.
Contributors: * , K. Murali * & S. Sinha *
author keywords: chaos; computation; logic gates
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 journal article
Dynamic transmurality: Cardiac optical mapping reveals waves travel across transmural ablation lines
International Journal of Bifurcation and Chaos, 17(9), 3229–3234.
Contributors: J. Simonotto *, M. Furman*, * , A. Miliotis*, M. Spano & T. Beaver *
author keywords: Lagendorff preparation; voltage-sensitive dye; radio-frequency ablation; atrial arrhythmia; porcine cardiac model
Source: ORCID
Added: December 30, 2019
2007 conference paper
Early seizure detection in an animal model of temporal lobe epilepsy
AIP Conference Proceedings, 953, 292–307.
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 journal article
Fault tolerance and detection in chaotic computers
International Journal of Bifurcation and Chaos, 17(6), 1955–1968.
Contributors: M. Jahed-Motlagh *, B. Kia *, * & S. Sinha *
author keywords: dynamics based computing; one-dimensional chaotic maps; testing systems; testing vectors
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 journal article
Introduction: Cardiovascular physics
Chaos, 17(1).
Contributors: N. Wessel *, J. Kurths *, * & 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
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 conference paper
Coherence analysis over the latent period of epileptogenesis reveal that high-frequency communication is increased across hemispheres in an animal model of limbic epilepsy
Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings, 1154–1156.
Contributors: J. Simonotto *, S. Myers*, M. Furman*, W. Norman*, Z. Liu *, T. Demarse*, P. Carney *, *
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
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
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
Source: ORCID
Added: December 30, 2019
2006 conference paper
Detection of high frequency oscillations with teager energy in an animal model of limbic epilepsy
Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings, 2578–2580.
Contributors: R. Nelson*, S. Myers*, J. Simonotto *, M. Furman*, M. Spano, W. Norman*, L. Zhao *, T. DeMarse*, P. Carney *, *
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
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 Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Source: ORCID
Added: December 30, 2019
2006 journal article
Evolving into epilepsy: Multiscale electrophysiological analysis and imaging in an animal model
Experimental Neurology, 198(1), 31–47.
Contributors: J. Sanchez *, T. Mareci *, W. Norman*, J. Principe *, * & 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
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 Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: ORCID
Added: December 30, 2019
2006 conference paper
Exploiting chaos for computation
IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS, 1835–1838.
Contributors: * , K. Mural * & S. Sinha *
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 conference paper
Exploiting nonlinear dynamics to search for the existence of matches in a database
IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS, 1843–1846.
Contributors: A. Miliotis*, * & S. Sinha *
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 journal article
Exploiting the controlled responses of chaotic elements to design configurable hardware
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 364(1846), 2483–2494.
Contributors: S. Sinha * & *
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
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 conference paper
Pre-ictal entropy analysis of microwire data from an animal model of limbic epilepsy
Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings, 1605–1607.
Contributors: M. Mishra*, B. Jones *, J. Simonotto *, M. Furman*, W. Norman*, L. Zhao *, T. DeMarse*, P. Carney *, *
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
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 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
Source: ORCID
Added: December 30, 2019
2006 conference paper
Reconfigurable logic element using a chaotic circuit
IEEE Asia-Pacific Conference on Circuits and Systems, Proceedings, APCCAS, 1839–1842.
Contributors: K. Murali *, S. Sinha * & *
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 journal article
Using recurrence quantification analysis determinism for noise removal in cardiac optical mapping
IEEE Transactions on Biomedical Engineering, 53(4), 767–770.
Contributors: M. Furman*, J. Simonotto *, T. Beaver *, M. Spano* & *
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
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.
Contributors: K. Murali *, S. Sinha * & *
author keywords: nonlinear circuits; logic gates; computer architecture
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 conference paper
Nonlinear analysis of cardiac optical mapping data reveals ordered period in defibrillation failure
Computers in Cardiology, 32, 551–554.
Contributors: J. Simonotto *, M. Furman*, * , M. Spano*, G. Liu* & K. Kavanagh
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
Source: ORCID
Added: December 30, 2019
2003 journal article
Implementation of NOR gate by a chaotic Chua's circuit
International Journal of Bifurcation and Chaos in Applied Sciences and Engineering, 13(9), 2669–2672.
Contributors: K. Murali *, S. Sinha * & *
author keywords: chaos; computing; circuit
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
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
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).
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
Source: ORCID
Added: December 30, 2019
2002 journal article
Chaos computing: Implementation of fundamental logical gates by chaotic elements
IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications, 49(11), 1629–1633.
Contributors: T. Munakata *, S. Sinha * & *
author keywords: chaos computing; new computing paradigm; one-dimensional (1-D) chaotic systems
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 journal article
Flexible parallel implementation of logic gates using chaotic elements
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 65(3).
Contributors: S. Sinha *, T. Munakata & *
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.
Sources: Web Of Science, NC State University Libraries
Added: January 29, 2021
2002 journal article
Nonlinear antenna technology
Proceedings of the IEEE, 90(5), 882–896.
Contributors: B. Meadows*, T. Heath*, J. Neff*, E. Brown*, D. Fogliatti*, M. Gabbay *, V. In*, P. Hasler*, S. Deweerth*, *
author keywords: active antenna; analog VLSI; beam forming; beam steering; coupled oscillator array; nonidentical oscillators; nonlinear dynamics
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 journal article
Parallel computing with extended dynamical systems
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 65(3).
Contributors: S. Sinha *, T. Munakata * & *
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).
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?
Ed(s): J. Hogan, A. Krauskopf, M. di Bernado, R. Wilson, H. Osinga, M. Homer, A. Champneys
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
Source: ORCID
Added: December 30, 2019
2001 journal article
Monostable array-enhanced stochastic resonance
Physical Review E, 63(5), 511071–511076.
Contributors: J. Lindner *, B. Breen*, M. Wills*, A. Bulsara * & *
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
Source: ORCID
Added: December 30, 2019
2000 journal article
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
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).
Ed(s): J. Walleczek
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
Source: ORCID
Added: December 30, 2019
2000 journal article
Pulse Enhanced Stochastic Resonance
Physics Letters A, 277(1), 13–17.
Contributors: J. Mason*, J. Lindner *, J. Neff*, * , A. Bulsara * & M. Spano*
Sources: ORCID, Web Of Science, NC State University Libraries
Added: December 30, 2019
2000 journal article
Theory of controlling stochastic resonance
Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 62(1 A), 317–327.
Contributors: M. Löcher, M. Inchiosa, J. Neff*, A. Bulsara, K. Wiesenfeld *, L. Gammaitoni *, P. Hänggi *, *
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.
Ed(s): H. Schuster
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.
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
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
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
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
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
Source: ORCID
Added: December 30, 2019
1998 journal article
Noise Enhance Propagation
Physical Review Letters, 81, 5048.
Source: Web Of Science
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
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
Source: ORCID
Added: December 30, 2019
1998 journal article
Spatiotemporal evolution of ventricular fibrillation
Nature, 392(6671), 78–82.
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
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.
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
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
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
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
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
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
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
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
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
Source: ORCID
Added: December 30, 2019
1995 journal article
Adaptive control and tracking of chaos in a magnetoelastic ribbon
Physical Review E, 51(4).
Source: ORCID
Added: December 30, 2019
1995 journal article
Array enhanced stochastic resonance and spatiotemporal synchronization
Physical Review Letters, 75(1), 3–6.
Contributors: J. Lindner *, B. Meadows*, * , M. Inchiosa * & A. Bulsara *
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 journal article
Chaos control of cardiac arrhythmias
Trends in Cardiovascular Medicine, 5(2), 76–80.
Contributors: A. Garfinkel *, J. Weiss *, * & M. Spano*
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
Source: ORCID
Added: December 30, 2019
1995 journal article
Disorder-enhanced synchronization
Physics Letters A, 206(1-2), 54–60.
Contributors: Y. Braiman*, * , K. Wiesenfeld * & M. Spano*
Source: ORCID
Added: December 30, 2019
1995 journal article
Dynamics: Numerical Explorations
Physics Today, 48(7), 57–57.
Sources: Crossref, NC State University Libraries
Added: December 25, 2020
1995 journal article
Evidence for determinism in ventricular fibrillation
Physical Review Letters, 75(6), 1230–1233.
Contributors: F. Witkowski*, K. Kavanagh*, P. Penkoske*, R. Plonsey*, M. Spano*, * , D. Kaplan *
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 journal article
Experimental Maintenance of Chaos
Physical Review Letters, 74(22), 4420–4423.
Source: ORCID
Added: December 30, 2019
1995 journal article
Principles and applications of chaotic systems
Communications of the ACM, 38(11), 96–102.
Contributors: * & T. Munakata *
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
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
Source: ORCID
Added: December 30, 2019
1995 journal article
Techniques for the control of chaos
Physica D: Nonlinear Phenomena, 86(1-2), 198–211.
Contributors: * , M. Spano* & J. Lindner *
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
Source: ORCID
Added: December 30, 2019
1994 journal article
Chaos: From Theory to Applications
American Journal of Physics, 62(2), 190–191.
Sources: Crossref, NC State University Libraries
Added: December 25, 2020
1994 journal article
Controlling chaos in the brain
Nature, 370(6491), 615–620.
Contributors: S. Schiff *, K. Jerger*, D. Duong*, T. Chang *, M. Spano* & *
MeSH headings : Action Potentials; Animals; Electric Stimulation; Female; Hippocampus / physiology; In Vitro Techniques; Models, Neurological; Nerve Net; Nonlinear Dynamics; Periodicity; Rats; Rats, Sprague-Dawley
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.
Source: NC State University Libraries
Added: January 29, 2021
1994 journal article
The fundamentals of controlling chaos
Integrative Physiological and Behavioral Science, 29(3), 235–245.
MeSH headings : Animals; Data Interpretation, Statistical; Humans; Mathematical Computing; Models, Statistical; Nonlinear Dynamics
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 journal article
Chaotic resonance: A simulation
Journal of Statistical Physics, 70(1-2), 437–450.
Contributors: E. Ippen*, J. Lindner * & *
author keywords: CHAOS; RESONANCE; STOCHASTIC
Source: ORCID
Added: December 30, 2019
1993 journal article
Mastering Chaos
Scientific American, 269(2), 78–84.
Source: Crossref
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
Source: ORCID
Added: December 30, 2019
1992 journal article
Experimental observation of stochastic resonance in a magnetoelastic ribbon
Physical Review A, 46(8), 5253–5256.
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 Goal Categories
11. Sustainable Cities and Communities
(OpenAlex)
Source: ORCID
Added: December 30, 2019
1992 journal article
Using the sensitive dependence of chaos (the eebutterfly effectee) to direct trajectories in an experimental chaotic system
Physical Review Letters, 68(19), 2863–2866.
Contributors: T. Shinbrot *, * , C. Grebogi *, E. Ott *, M. Spano* & J. Yorke *
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
1991 journal article
Dynamics of a two-frequency parametrically driven duffing oscillator
Journal of Nonlinear Science, 1(4), 423–455.
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions
(OpenAlex)
Source: ORCID
Added: December 30, 2019
1991 journal article
Experimental confirmation of the scaling theory for noise-induced crises
Physical Review Letters, 66(15), 1947–1950.
Contributors: J. Sommerer*, * , C. Grebogi *, E. Ott * & M. Spano*
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 journal article
Experimental confirmation of the theory for critical exponents of crisis
Physics Letters A, 153(2-3), 105–109.
Contributors: J. Sommerer*, * , C. Grebogi *, E. Ott * & M. Spano*
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
Source: ORCID
Added: December 30, 2019
1990 journal article
Crisis-induced intermittency in a parametrically driven, gravitationally buckled, magnetoelastic amorphous ribbon experiment (invited)
Journal of Applied Physics, 67(9), 5619–5623.
Source: ORCID
Added: December 30, 2019
1990 journal article
Erratum: Experimental observation of a stranger nonchaotic attractor (Physical Review Letters (1990) 65, 9 (1172))
Physical Review Letters, 65(9).
Source: ORCID
Added: December 30, 2019
1990 journal article
Exact solutions of nonlinear differential equations using continued fractions
Il Nuovo Cimento B Series 11, 105(4), 429–435.
Source: ORCID
Added: December 30, 2019
1990 journal article
Experimental control of chaos
Physical Review Letters, 65(26), 3211–3214.
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 journal article
Experimental observation of a strange nonchaotic attractor
Physical Review Letters, 65(5), 533–536.
Contributors: * , M. Spano*, H. Savage*, S. Rauseo*, J. Heagy* & E. Ott *
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 journal article
Experimental observation of crisis-induced intermittency and its critical exponent
Physical Review Letters, 63(9), 923–926.
Contributors: * , S. Rauseo*, R. Cawley*, C. Grebogi *, G. Hsu*, E. Kostelich *, E. Ott *, H. Savage*
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
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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