Works Published in 2021
Displaying works 181 - 200 of 207 in total
Sorted by most recent date added to the index first, which may not be the same as publication date order.
2021 journal article
Dropout Fails to Regularize Nonparametric Learners
JOURNAL OF STATISTICAL THEORY AND PRACTICE, 15(2).
author keywords: Dropout; Nonparametric statistics; Deep learning; Regularization
TL;DR:
This work studies the theory of dropout from a nonparametric viewpoint, which is considered a proxy for the deepest layers of a neural network.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
4. Quality Education
(OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 21, 2021
2021 journal article
ANDERSON ACCELERATION FOR A CLASS OF NONSMOOTH FIXED-POINT PROBLEMS
SIAM JOURNAL ON SCIENTIFIC COMPUTING, 43(5), S1–S20.
author keywords: Key words; nonsmooth equatioins; Anderson acceleration; integral equations; nonlinear equations; fixed-point problems
TL;DR:
It is proved that convergence of Anderson acceleration for a class of nonsmooth fixed-point problems for which the nonlinearities can be split into a smooth contractive part and a nonsm smooth part which has a smoothcontractive part.
(via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 21, 2021
2021 journal article
Disease-driven reduction in human mobility influences human-mosquito contacts and dengue transmission dynamics
PLOS COMPUTATIONAL BIOLOGY, 17(1).
Ed(s): B. Althouse
MeSH headings : Animals; Computational Biology; Dengue / epidemiology; Dengue / prevention & control; Dengue / transmission; Dengue / virology; Dengue Virus; Disease Outbreaks / statistics & numerical data; Female; Humans; Models, Statistical; Mosquito Vectors / physiology; Mosquito Vectors / virology; Population Dynamics
TL;DR:
The complex fabric of social relationships and differential behavioral response to dengue illness cause the fraction of symptomatic DENV infections to concentrate transmission in specific locations, whereas asymptomatic carriers move the virus throughout the landscape.
(via Semantic Scholar)
journals.plos.org (publisher PDF)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 20, 2021
2021 journal article
The local tangential lifting method for moving interface problems on surfaces with applications
JOURNAL OF COMPUTATIONAL PHYSICS, 431.
author keywords: Surface and evolving surface PDEs; Local tangential lifting method; Moving interface on surface; Dendritic solidification; Front tracking method; Discrete delta function on surface
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 20, 2021
2021 journal article
On computing the degree of a Chebyshev Polynomial from its value
JOURNAL OF SYMBOLIC COMPUTATION, 104, 159–167.
author keywords: Algorithms; Discrete logarithms; Chebyshev Polynomials; Interpolation in terms of the Chebyshev; Polynomials of the First Kind
TL;DR:
An algorithm is given that can determine the Chebyshev degrees modulo such primes in bit complexity log ( p ) O ( 1 ) times the squareroot of the largest prime factor of p − 1 (or p + 1 ).
(via Semantic Scholar)
Source: Web Of Science
Added: January 19, 2021
2021 journal article
Sparse Interpolation With Errors in Chebyshev Basis Beyond Redundant-Block Decoding
IEEE TRANSACTIONS ON INFORMATION THEORY, 67(1), 232–243.
author keywords: Sparse polynomial interpolation; error correction; black box polynomial; list-decoding
TL;DR:
Sparse interpolation algorithms for recovering a polynomial with LaTeX terms from inline-formula evaluations at distinct values for the variable with Chebyshev Basis, which return a list of valid sparse interpolants for the algorithm.
(via Semantic Scholar)
Source: Web Of Science
Added: January 19, 2021
2021 journal article
Identifiability in phylogenetics using algebraic matroids
JOURNAL OF SYMBOLIC COMPUTATION, 104, 142–158.
author keywords: Identifiability; Algebraic matroids; Phylogenetics; Group-based models; Mixture models
TL;DR:
A new computational strategy for proving the identifiability of discrete parameters in algebraic statistical models that uses algebraic matroids naturally associated to the models to prove that the tree parameters are generically identifiable for 2-tree CFN and K3P mixtures.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Source: Web Of Science
Added: January 19, 2021
2021 journal article
Quasi-independence models with rational maximum likelihood estimator
JOURNAL OF SYMBOLIC COMPUTATION, 104, 917–941.
author keywords: Algebraic statistics; Maximum likelihood estimation; Quasi-independence models; Log-linear models; Maximum likelihood degree
TL;DR:
This work gives a necessary and sufficient condition on the bipartite graph associated to the model for the MLE to be rational, and uses the Horn uniformization to show that for general log-linear models $\mathcal{M}$ with rational MLE, any model obtained by restricting to a face of the cone of sufficient statistics of $M$ also hasrational MLE.
(via Semantic Scholar)
Source: Web Of Science
Added: January 19, 2021
2021 article
The feasibility of targeted test-trace-isolate for the control of SARS-CoV-2 variants
Bradshaw, W. J., Huggins, J. H., Lloyd, A. L., & Esvelt, K. M. (2021, January 13). (Vol. 1). Vol. 1.
TL;DR:
A branching-process model is applied and indicates that bidirectional contact tracing can substantially slow the spread of SARS-CoV-2 variant B.1.1 .1.7 even in regions where a large fraction of the population refuses to cooperate with contact tracers or to abide by quarantine and isolation requests.
(via Semantic Scholar)
Source: ORCID
Added: January 15, 2021
2021 journal article
Bidirectional contact tracing could dramatically improve COVID-19 control
NATURE COMMUNICATIONS, 12(1).
MeSH headings : COVID-19 / diagnosis; COVID-19 / prevention & control; COVID-19 / transmission; Computer Simulation; Contact Tracing / methods; Disease Outbreaks / prevention & control; Humans; Mobile Applications; SARS-CoV-2; Sensitivity and Specificity; Smartphone
TL;DR:
In this model, bidirectional tracing more than doubles the reduction in effective reproduction number (Reff) achieved by forward-tracing alone, while dramatically increasing resilience to low case ascertainment and test sensitivity.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 12, 2021
2021 journal article
Deep Learning Approach to the Detection of Scattering Delay in Radar Images
JOURNAL OF STATISTICAL THEORY AND PRACTICE, 15(1).
author keywords: Radar imaging; Dispersive targets; Classification; Convolutional neural network
TL;DR:
A convolutional neural network is applied to the problem of discrimination between the instantaneous and delayed targets in synthetic aperture radar images, and a trained neural network demonstrates the discrimination quality commensurate with that of the benchmark maximum likelihood-based classifier.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: January 4, 2021
2021 journal article
Bregman Forward-Backward Operator Splitting
Set-Valued and Variational Analysis, 29(3), 583–603.
author keywords: Banach space; Bregman distance; Forward-backward splitting; Legendre function; Monotone operator
UN Sustainable Development Goal Categories
10. Reduced Inequalities
(Web of Science)
Sources: Web Of Science, ORCID
Added: December 21, 2020
2021 journal article
(G,χ)-equivariant ϕ-coordinated quasi modules for nonlocal vertex algebras
Journal of Algebra, 570, 24–74.
author keywords: Vertex algebra; Nonlocal vertex algebra; phi-coordinated quasi module; Generalized commutator formula; Lattice vertex operator algebra
Source: ORCID
Added: December 1, 2020
2021 journal article
Bayesian inference and uncertainty propagation using efficient fractional-order viscoelastic models for dielectric elastomers
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES, 32(4), 486–496.
author keywords: Fractional derivative; Riemann– Liouville; dielectric elastomers; viscoelasticity; Bayesian inference; uncertainty propagation
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: November 10, 2020
2021 journal article
Non-parallel hyperplanes ordinal regression machine
KNOWLEDGE-BASED SYSTEMS, 216.
author keywords: Ordinal regression; Support vector machine; Twin support vector machine; Non-parallel hyperplanes ordinal regression machine
TL;DR:
The results show that the approach NPHORM is comparable with the other SVM-based approaches, especially in real ordinal regression datasets, and outperforms the deep learning methods on MAE.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: November 10, 2020
2021 journal article
A condition for multiplicity structure of univariate polynomials
Journal of Symbolic Computation, 5, 15.
author keywords: Parametric polynomial; Complex roots; Multiplicity structure; Discriminant; Resultant
TL;DR:
This paper gives a novel condition for a univariate polynomial having a given multiplicity structure when the number of distinct roots is given and it is shown that the number and degree of polynomials in the condition are optimal.
(via Semantic Scholar)
Source: ORCID
Added: November 6, 2020
2021 article
Embracing Dynamic Models for Gene Drive Management
Golnar, A. J., Ruell, E., Lloyd, A. L., & Pepin, K. M. (2021, March). TRENDS IN BIOTECHNOLOGY, Vol. 39, pp. 211–214.
TL;DR:
It is described how quantitative tools can reduce risk uncertainty, streamline empirical research, guide risk management, and promote cross-sector collaboration throughout the process of gene drive technology development and implementation.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 1, 2020
2021 journal article
Subinvariance in Leibniz algebras
JOURNAL OF ALGEBRA, 567, 128–138.
author keywords: Leibniz algebra; Subinvariant subalgebras; Radical and nilradical
UN Sustainable Development Goal Categories
14. Life Below Water
(Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 29, 2020
2021 journal article
Partially penalized IFE methods and convergence analysis for elasticity interface problems
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 382.
author keywords: Elasticity interface problems; Immersed finite element; Discontinuous coefficients; Coercivity; Inf-sup condition; Error estimates
TL;DR:
Through verifying the inverse trace inequality on the interface edges, the optimal convergence in the energy norm are derived and a new test function is constructed to obtain the discrete inf-sup condition of the penalty-free nonsymmetric PPIFEM and is utilized in the proof of the optimal converge.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: September 14, 2020
2021 journal article
Radiation Source Localization Using Surrogate Models Constructed from 3-D Monte Carlo Transport Physics Simulations
NUCLEAR TECHNOLOGY, 207(1), 37–53.
author keywords: Radiation detection; inverse problem; Bayesian inference; MCNP; surrogate modeling
TL;DR:
The Monte Carlo N-Particle code is employed to provide high-fidelity simulations of radiation transport within an urban domain to develop efficient and accurate surrogate models of the detector responses that provide an efficient framework for Bayesian inference and experimental design.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
11. Sustainable Cities and Communities
(OpenAlex)
Source: Web Of Science
Added: July 13, 2020
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