Works Published in 2004
Displaying works 21 - 40 of 145 in total
Sorted by most recent date added to the index first, which may not be the same as publication date order.
2004 conference paper
Approximate factorization of multivariate polynomials via differential equations
Proceedings of the 2004 international symposium on Symbolic and algebraic computation - ISSAC '04. Presented at the the 2004 international symposium.
Event: the 2004 international symposium
TL;DR:
It is demonstrated on a significant body of experimental data that the algorithm is practical and can find factorizable polynomials within a distance that is about the same in relative magnitude as the input error, even when the relative error in the input is substantial.
(via Semantic Scholar)
Source: Crossref
Added: August 28, 2020
2004 journal article
Estimating variability in models for recurrent epidemics: assessing the use of moment closure techniques
Theoretical Population Biology, 65(1), 49–65.
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: ORCID
Added: April 8, 2020
2004 journal article
Spatiotemporal dynamics of epidemics: synchrony in metapopulation models
Mathematical Biosciences, 188(1-2), 1–16.
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: ORCID
Added: April 8, 2020
2004 journal article
Practical methods for optimal control using nonlinear programming, John T. Betts, SIAM, Philadelphia, PA, 2001, ISBN 0-89871-488-5
International Journal of Robust and Nonlinear Control, 14(11), 1019–1021.
Sources: Crossref, NC State University Libraries
Added: March 8, 2020
2004 journal article
Well-posedness for a nonsmooth acoustic system
Applied Mathematics Letters, 17(3), 317–322.
author keywords: well-posedness; wave equations; acoustics
TL;DR:
An acoustic wave system with discontinuous coefficients and nonsmooth inputs is considered and existence, uniqueness, and continuous dependence on input data of weak solutions are established.
(via Semantic Scholar)
doi.org (publisher)
Source: Crossref
Added: February 24, 2020
2004 conference paper
Initialization of direct transcription optimal control software
42nd IEEE International Conference on Decision and Control (IEEE Cat. No.03CH37475). Presented at the 42nd IEEE International Conference on Decision and Control.
Event: 42nd IEEE International Conference on Decision and Control
TL;DR:
Research aimed at the development of a collection of utilities to assist users in solving complex industrial optimal control problems with direct transcription codes is discussed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: February 10, 2020
2004 conference paper
A numerical integrator for simulation of unstructured implicit models
Proceedings of the 2004 American Control Conference. Presented at the Proceedings of the 2004 American Control Conference.
Event: Proceedings of the 2004 American Control Conference
TL;DR:
Progress on the development of a new integrator for general unstructured DAEs is presented, called UCP, and computational tests are given to show that the new method can successfully integrate problems that other methods have trouble with.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 10, 2020
2004 conference paper
Software for auxiliary signal design
Proceedings of the 2004 American Control Conference. Presented at the Proceedings of the 2004 American Control Conference.
Event: Proceedings of the 2004 American Control Conference
TL;DR:
Progress in developing a software package to carry out multi-model identification and failure detection in the presence of model uncertainty and bounded energy noise over finite time intervals is discussed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: February 10, 2020
2004 journal article
The cd-index of Bruhat intervals
Electronic Journal of Combinatorics, 11(1 R), 1–25. http://www.scopus.com/inward/record.url?eid=2-s2.0-8744221555&partnerID=MN8TOARS
Contributors: N. Reading
Source: ORCID
Added: January 16, 2020
2004 journal article
The cd-index of Bruhat intervals
The Electronic Journal of Combinatorics, 11(1), R74.
TL;DR:
A structural recursion on intervals in the Bruhat order gives the isomorphism type of a Bruhat interval in terms of smaller intervals, using basic geometric operations which preserve PL sphericity and have a simple effect on the cd-index, which leads to a new proof that Bruhat intervals are PL spheres.
(via Semantic Scholar)
Sources: NC State University Libraries, ORCID
Added: December 4, 2019
2004 conference paper
Total variation information in image recovery
Proceedings 2003 International Conference on Image Processing (Cat. No.03CH37429). Presented at the International Conference on Image Processing, Barcelona, Spain.
Event: International Conference on Image Processing at Barcelona, Spain on September 14-17, 2003
TL;DR:
This paper proposes an alternative framework in which total variation is used as a constraint in a general quadratic programming context, which allows for a wider range of constraints to be easily incorporated in the recovery process.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: November 17, 2019
2004 conference paper
Constraint construction in convex set theoretic signal recovery via Stein's principle [image denoising example]
2004 IEEE International Conference on Acoustics, Speech, and Signal Processing. Presented at the 2004 IEEE International Conference on Acoustics, Speech, and Signal Processing, Montreal, Quebec, Canada.
Event: 2004 IEEE International Conference on Acoustics, Speech, and Signal Processing at Montreal, Quebec, Canada on May 17-21, 2004
TL;DR:
A new technique to construct constraint sets from probabilistic information based on Stein's identity is proposed, applicable to signal formation models involving additive Gaussian noise and it leads to geometrically simple sets that can easily be handled via projection methods.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: November 17, 2019
2004 journal article
Wavelet-constrained image restoration
International Journal of Wavelets, Multiresolution and Information Processing, 2(4), 371–389.
TL;DR:
Using a mix of statistical and convex-analytical tools, a general framework to construct wavelet-based constraints is proposed and the resulting optimization problem is solved with a block-iterative parallel algorithm which offers great flexibility in terms of implementation.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: September 18, 2019
2004 journal article
On wavelet-based numerical homogenization
Multiscale Model. Simul., 3(1), 65–88.
author keywords: numerical homogenization; wavelets; Helmholtz equation
TL;DR:
This work shows how to improve the efficiency of this numerical homogenization method by choosing a different compact representation of the homogenized operator, and suggests an approach for obtaining a sparse representation that is significantly simpler than the alternative sparse representations.
(via Semantic Scholar)
Source: ORCID
Added: September 8, 2019
2004 journal article
On the application of lacunae-based methods to Maxwell's equations
Journal of Computational Physics, 199(1), 126–149.
author keywords: electromagnetic waves; continuity equation; solenoidal currents; partition of unity; unsteady propagation; unbounded domains; truncation; finite computational domain; sharp aft fronts; Huygens' principle; non-deteriorating method; long-term numerical integration
Sources: ORCID, Crossref, NC State University Libraries
Added: September 6, 2019
2004 conference paper
Parallel Solution of the {Wigner-Poisson} Equations for {RTDs}
In Q. Qingping (Ed.), 2004 International Symposium on Distributed Computing and Applications to Business, Engineering and Science (pp. 672–676). Wuhan, China: Hubei Science and Technology Press.
Ed(s): Q. Qingping
Event: at Wuhan, China
Source: ORCID
Added: August 29, 2019
2004 conference paper
Simulation of Nondifferentiable Models for Groundwater Flow and Transport
In C. T. Miller, M. W. Farthing, W. G. Gray, & G. F. Pinter (Eds.), Proceedings of Computational Methods in Water Resources XV (pp. 939–952). Amsterdam: Elsevier.
Ed(s): C. Miller, M. Farthing, W. Gray & G. Pinter
Event: at Amsterdam
Source: ORCID
Added: August 29, 2019
2004 article
Implicit Filtering Revisited
Source: ORCID
Added: August 29, 2019
2004 conference paper
Enhancement of Numerical Computations of the {W}igner-{P}oisson Equations for Application to the Simulation of {TH}z-Frequency {RTD} Oscillators
In J. O. Jensen & J.-M. Theriault (Eds.), Proceedings of SPIE: Chemical and Biological Standoff Detection II Volume 5584, paper number 07 (pp. 42–51).
Ed(s): J. Jensen & J. Theriault
Event: North Carolina State University, Center for Research in Scientific Computation
Source: ORCID
Added: August 29, 2019
2004 conference paper
A Hydraulic Capture Application for Optimal Remeidation Design
In C. T. Miller, M. W. Farthing, W. G. Gray, & G. F. Pinter (Eds.), Proceedings of Computational Methods in Water Resources XV (pp. 1149–1158). Amsterdam: Elsevier.
Ed(s): C. Miller, M. Farthing, W. Gray & G. Pinter
Event: at Amsterdam
Source: ORCID
Added: August 29, 2019
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