Works Published in 2019
Displaying works 161 - 180 of 196 in total
Sorted by most recent date added to the index first, which may not be the same as publication date order.
2019 journal article
A computational reaction–diffusion model for biosynthesis and linking of cartilage extracellular matrix in cell-seeded scaffolds with varying porosity
Biomechanics and Modeling in Mechanobiology, 18(3), 701–716.
author keywords: Scaffold porosity; Tissue-engineered cartilage; Extracellular matrix linking; Reaction-diffusion; Computational model
MeSH headings : Animals; Cartilage / metabolism; Diffusion; Extracellular Matrix / metabolism; Mesenchymal Stem Cells / cytology; Models, Biological; Porosity; Tissue Engineering / methods; Tissue Scaffolds / chemistry
TL;DR:
A computational model of extracellular matrix accumulation in a cell-seeded scaffold based on a continuum reaction–diffusion system with inhomogeneous inclusions representing individual cells is developed that has the potential to aid in the design of optimal tissue-engineered cartilage constructs.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(OpenAlex)
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, Crossref, NC State University Libraries
Added: May 28, 2019
2019 journal article
Going Off the Grid: Iterative Model Selection for Biclustered Matrix Completion
JOURNAL OF COMPUTATIONAL AND GRAPHICAL STATISTICS, 28(1), 36–47.
author keywords: Convex optimization; Degrees of freedom; Hutchinson estimator; Information criterion; Penalization; Sparse linear systems
TL;DR:
This work presents a novel iterative procedure for directly minimizing an information criterion to select an appropriate amount of row and column smoothing, namely, to perform model selection.
(via Semantic Scholar)
arxiv.org (repository)
Sources: Web Of Science, NC State University Libraries
Added: May 13, 2019
2019 journal article
Uncertainty analysis of dielectric elastomer membranes under electromechanical loading
SMART MATERIALS AND STRUCTURES, 28(5).
author keywords: Bayesian uncertainty; dielectric elastomer; membranes; hyperelastic
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Source: Web Of Science
Added: May 6, 2019
2019 journal article
Sensitivity-Driven Adaptive Construction of Reduced-space Surrogates
JOURNAL OF SCIENTIFIC COMPUTING, 79(2), 1335–1359.
author keywords: Global sensitivity analysis; Polynomial chaos; Parameter screening; Surrogate modeling
TL;DR:
It is observed that significant computational gains can be attained by constructing accurate low-dimensional surrogates using the proposed framework.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Source: Web Of Science
Added: May 6, 2019
2019 journal article
On multivariable Zassenhaus formula
FRONTIERS OF MATHEMATICS IN CHINA, 14(2), 421–433.
author keywords: Baker-Campbell-Hausdorff formula; Zassenhaus formula
Sources: Web Of Science, NC State University Libraries
Added: May 6, 2019
2019 journal article
A sub-one quasi-norm-based similarity measure for collaborative filtering in recommender systems
INFORMATION SCIENCES, 487, 142–155.
author keywords: Recommender system; Collaborative filtering; Neighborhood-based CF; Similarity measure; l(p)quasi-norm
TL;DR:
A sub-one quasi-norm-based similarity measure for collaborative filtering in a recommender system shows its advantages over those commonly used similarity measures in the literature by making better use of rating values and deemphasizing the dissimilarity between users.
(via Semantic Scholar)
Source: Web Of Science
Added: April 29, 2019
2019 journal article
IMMUNOSUPPRESSANT TREATMENT DYNAMICS IN RENAL TRANSPLANT RECIPIENTS: AN ITERATIVE MODELING APPROACH
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS-SERIES B, 24(6), 2781–2797.
author keywords: Inverse problem; infection dynamics; differential equations; renal transplantation; immunosuppression therapy; iterative modeling process; BKV
TL;DR:
This work analyzes and improves the current mathematical model by modifying it to be more biologically realistic and amenable for designing an adaptive treatment strategy for renal transplant recipients infected by BK virus.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: April 22, 2019
2019 journal article
Stochastic quasi-Fejer block-coordinate fixed point iterations with random sweeping II: mean-square and linear convergence
Mathematical Programming, 174(1-2), 433–451.
author keywords: Block-coordinate algorithm; Fixed-point algorithm; Mean-square convergence; Monotone operator splitting; Linear convergence; Stochastic algorithm
TL;DR:
Results on the mean-square and linear convergence of the iterates of the block-coordinate fixed point algorithms are established and applications to monotone operator splitting and proximal optimization algorithms are presented.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: April 22, 2019
2019 journal article
Structure-preserving isospectral transformation for total or partial decoupling of self-adjoint quadratic pencils
JOURNAL OF SOUND AND VIBRATION, 449, 157–171.
Contributors: N. Jiang *, M. Chu n & J. Shen *
author keywords: Self-adjoint quadratic pencil; Decoupling; Structure preserving transformation; Lancaster structure; Isospectrality; Gradient flow
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
16. Peace, Justice and Strong Institutions
(OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 22, 2019
2019 article
Pest management by genetic addiction
Gould, F., Dhole, S., & Lloyd, A. L. (2019, March 26). PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, Vol. 116, pp. 5849–5851.
MeSH headings : Gene Drive Technology; Pest Control
TL;DR:
The work of Oberhofer et al. (1) adds substantially to a growing field within genetic engineering, often termed gene drive research, in which selfish genetic elements overcome the rules of Mendelian inheritance and push transgenes into a population.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 15, 2019
2019 journal article
Gradient-Free Construction of Active Subspaces for Dimension Reduction in Complex Models with Applications to Neutronics
SIAM-ASA JOURNAL ON UNCERTAINTY QUANTIFICATION, 7(1), 117–142.
author keywords: gradient-free active subspaces; neutronics applications
TL;DR:
This paper aims to demonstrate the ability to efficiently approximate complex models by constructing low-overtime subspace models using a simple model-to-model comparison procedure.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: April 9, 2019
2019 journal article
Global Sensitivity Analysis for Statistical Model Parameters
SIAM-ASA JOURNAL ON UNCERTAINTY QUANTIFICATION, 7(1), 67–92.
author keywords: global sensitivity analysis; dimension reduction; Markov chain Monte Carlo; correlated parameters
TL;DR:
A novel framework is introduced that enables GSA for statistical model parameters and finds non-influential parameters are discovered and a reduced model with equal or stronger predictive capability is constructed by using only 79 parameters.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Source: Web Of Science
Added: April 9, 2019
2019 journal article
LOW-RANK MATRIX APPROXIMATIONS DO NOT NEED A SINGULAR VALUE GAP
SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 40(1), 299–319.
Contributors: P. Drineas* & I. Ipsen
author keywords: singular value decomposition; principal angles; additive perturbations; multiplicative perturbations
TL;DR:
It is shown that the low-rank approximation errors, in the two-norm, Frobenius norm and more generally, any Schatten p- norm, are insensitive to additive rank-preserving perturbations in the projector basis; and to matrix perturbation that are additive or change the number of columns.
(via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 9, 2019
2019 review
Climate risk communication of navigation safety and climate conditions over Lake Victoria basin: Exploring perceptions and knowledge of indigenous communities
[Review of ]. COGENT SOCIAL SCIENCES, 5(1).
author keywords: Lake Victoria; indigenous knowledge; participatory communication; climate risk; perceptions
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science; OpenAlex)
Source: Web Of Science
Added: April 9, 2019
2019 journal article
SUM-OF-SQUARES OPTIMIZATION WITHOUT SEMIDEFINITE PROGRAMMING
SIAM JOURNAL ON OPTIMIZATION, 29(1), 822–851.
Contributors: D. Papp* & S. Yildiz
author keywords: sum-of-squares optimization; nonsymmetric conic optimization; polynomial interpolation; polynomial optimization; semidefinite programming
TL;DR:
A homogeneous primal-dual interior-point method to solve sum-of-squares optimization problems by combining non-symmetric conic optimization techniques and polynomial interpolation, which has substantially lower theoretical time and space complexity than the conventional SDP-based approach.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: April 9, 2019
2019 journal article
RANDOMIZED SUBSPACE ITERATION: ANALYSIS OF CANONICAL ANGLES AND UNITARILY INVARIANT NORMS
SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 40(1), 23–48.
author keywords: singular value decomposition; randomized algorithms; canonical angles; low-rank approximation
TL;DR:
Three different kinds of bounds for the low-rank approximation in any unitarily invariant norm (including the Schatten-p norm) are derived, which generalizes the bounds for Spectral and Frobenius norms found in the literature.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: April 9, 2019
2019 article
Cardiovascular regulation in response to multiple hemorrhages: analysis and parameter estimation
Ciocanel, M.-V., Docken, S. S., Gasper, R. E., Dean, C., Carlson, B. E., & Olufsen, M. S. (2019, April). BIOLOGICAL CYBERNETICS, Vol. 113, pp. 105–120.
author keywords: Blood withdrawal; Cardiovascular regulation; Mathematical modeling; Parameter estimation; Left ventricular volume; Left ventricular pressure
MeSH headings : Animals; Blood Pressure / physiology; Blood Volume / physiology; Cardiovascular System / physiopathology; Confidence Intervals; Hemorrhage / pathology; Hemorrhage / physiopathology; Male; Models, Cardiovascular; Models, Theoretical; Nonlinear Dynamics; Rats; Rats, Sprague-Dawley; Regional Blood Flow / physiology; Ventricular Function, Left
TL;DR:
This is the first study to analyze the response to multiple blood withdrawals both experimentally and theoretically, and results show that during each blood withdrawal both systemic vascular resistance and contractility decrease acutely and partially recover, and they decrease chronically across the series of blood withdrawals.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
Source: Web Of Science
Added: April 2, 2019
2019 article
Control theory in biology and medicine: Introduction to the special issue
Thomas, P. J., Olufsen, M., Sepulchre, R., Iglesias, P. A., Ijspeert, A., & Srinivasan, M. (2019, April). BIOLOGICAL CYBERNETICS, Vol. 113, pp. 1–6.
MeSH headings : Animals; Biology; Computer Simulation; Humans; Medicine; Models, Biological; Models, Theoretical; Systems Biology
TL;DR:
This special issue presents tutorials and research articles by several of the participants in the MBI workshops on control theory in biology and medicine, including workshop on control and modulation of neuronal and motor systems.
(via Semantic Scholar)
Source: Web Of Science
Added: April 2, 2019
2019 journal article
Nonlinear Schrodinger equations and the universal description of dispersive shock wave structure
STUDIES IN APPLIED MATHEMATICS, 142(3), 241–268.
author keywords: asymptotic analysis; nonlinear waves; partial differential equations
UN Sustainable Development Goal Categories
14. Life Below Water
(Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 2, 2019
2019 article
An optimal control approach for blood pressure regulation during head-up tilt
Williams, N. D., Mehlsen, J., Tran, H. T., & Olufsen, M. S. (2019, April). BIOLOGICAL CYBERNETICS, Vol. 113, pp. 149–159.
author keywords: Cardiovascular dynamics modeling; Head-up tilt; Non-pulsatile model; Orthostatic intolerance; Optimal control
MeSH headings : Blood Pressure / physiology; Cardiac Output / physiology; Heart Rate / physiology; Humans; Lower Extremity / physiology; Models, Cardiovascular; Nonlinear Dynamics; Posture / physiology; Tilt-Table Test; Vascular Resistance
TL;DR:
Results show that the optimal control approach can predict time-varying quantities regulated by the cardiovascular control system, and shows the feasibility of using optimal control theory to compute physiological control variables, vascular resistance and cardiac contractility.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: April 2, 2019
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