Works Published in 2022

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Displaying works 101 - 120 of 172 in total

Sorted by most recent date added to the index first, which may not be the same as publication date order.

2022 journal article

MONTE CARLO ESTIMATORS FOR THE SCHATTEN p-NORM OF SYMMETRIC POSITIVE SEMIDEFINITE MATRICES

ELECTRONIC TRANSACTIONS ON NUMERICAL ANALYSIS, 55, 213–241.

By: E. Dudley n, A. Saibaba n & A. Alexanderian n

author keywords: Schatten p-norm; Monte Carlo estimator; optimal experimental design; Chebyshev polynomials
TL;DR: A matrix-free method to estimate the Schatten $p$-norm using a Monte Carlo estimator and derive convergence results and error estimates for the estimator is proposed and demonstrated. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: July 5, 2022

2022 journal article

TAaCGH Suite for Detecting Cancer-Specific Copy Number Changes Using Topological Signatures

ENTROPY, 24(7).

author keywords: breast cancer molecular subtypes; genomics; topological data analysis; CNA copy number aberrations; lifespan curves; Betti curves; persistence landscapes
TL;DR: This study identified new cytobands associated with three of the major molecular subtypes of breast cancer: Luminal A, Luminal B, Basal and HER2 positive and suggests a complementary approach using a suite of persistence curves. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science
Added: July 4, 2022

2022 journal article

Using ultrasonic attenuation in cortical bone to infer distributions on pore size

APPLIED MATHEMATICAL MODELLING, 109, 819–832.

By: R. White n, A. Alexanderian n, O. Yousefian n, Y. Karbalaeisadegh n, K. Bekele-Maxwell n, A. Kasali n, H. Banks n, M. Talmant*, Q. Grimal*, M. Muller n

author keywords: Ultrasound; Cortical bone; Polydisperse; Waterman truell; Inverse problems; Variational regularization
UN Sustainable Development Goal Categories
5. Gender Equality (Web of Science)
Source: Web Of Science
Added: June 27, 2022

2022 article

Conormal Spaces and Whitney Stratifications

Helmer, M., & Nanda, V. (2022, June 14). FOUNDATIONS OF COMPUTATIONAL MATHEMATICS.

By: M. Helmer n & V. Nanda*

author keywords: Whitney stratification; Conormal variety; Ideal saturation
TL;DR: A new algorithm for computing Whitney stratifications of complex projective varieties using an algebraic criterion, due to Lê and Teissier, and a new interpretation of this conormal criterion via ideal saturations, which can be practically implemented on a computer. (via Semantic Scholar)
Source: Web Of Science
Added: June 27, 2022

2022 article

Unsupervised learning methods for efficient geographic clustering and identification of disease disparities with applications to county-level colorectal cancer incidence in California

McMahon, M. E., Doroshenko, L., Roostaei, J., Cho, H., & Haider, M. A. (2022, June 23). HEALTH CARE MANAGEMENT SCIENCE, Vol. 6.

By: M. McMahon n, L. Doroshenko*, J. Roostaei, H. Cho* & M. Haider n

author keywords: Spatial clustering; Self-organizing map; K-Means clustering; Optimization; Colorectal cancer
MeSH headings : Humans; Incidence; Unsupervised Machine Learning; Cluster Analysis; Algorithms; Colorectal Neoplasms / epidemiology
TL;DR: Techniques presented in this study are relevant to applications including the delivery of health care resources and identifying disparities among identity groups, and to questions involving coordination between county- and state-level policymakers. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science
Added: June 23, 2022

2022 article

UNIQUENESS OF THE PARTIAL TRAVEL TIME REPRESENTATION OF A COMPACT RIEMANNIAN MANIFOLD WITH STRICTLY CONVEX BOUNDARY

Pavlechko, E., & Saksala, T. (2022, May). INVERSE PROBLEMS AND IMAGING.

author keywords:   Inverse problem; Riemannian geometry; distance function; geodesics
Source: Web Of Science
Added: June 20, 2022

2022 journal article

Statistical Arbitrage for Multiple Co-integrated Stocks

Applied Mathematics & Optimization, 86(1).

By: T. Li* & A. Papanicolaou n

author keywords: Co-integrated stocks; Eigenportfolio; Factor model; Market-neutral portfolio; Matrix Riccati equation; Optimisation; Statistical arbitrage; Stochastic control
Sources: Web Of Science, ORCID, Crossref
Added: June 20, 2022

2022 journal article

Post-Radiotherapy PET Image Outcome Prediction by Deep Learning Under Biological Model Guidance: A Feasibility Study of Oropharyngeal Cancer Application

FRONTIERS IN ONCOLOGY, 12.

author keywords: biological modeling; deep learning; image outcome prediction; radiotherapy; (18)FDG-PET
TL;DR: The developed biologically guided deep learning method achieved post-20-Gy 18FDG-PET image outcome predictions in good agreement with ground-truth results, and could be used in adaptive radiotherapy decision-making to optimize personalized plans for the best outcome in the future. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: June 20, 2022

2022 article

An XGBoost-Based Fitted Q Iteration for Finding the Optimal STI Strategies for HIV Patients

Yu, Y., & Tran, H. (2022, June 2). IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, Vol. 6.

By: Y. Yu* & H. Tran n

author keywords: Viruses (medical); Immune system; Drugs; Numerical models; Subspace constraints; Mathematical models; Load modeling; Fitted Q iteration algorithm; human immunodeficiency virus (HIV); reinforcement learning; structured treatment interruption (STI) strategy; XGBoost regression
TL;DR: An XGBoost-based fitted Q iteration algorithm is proposed for finding the optimal structured treatment interruption (STI) strategies for HIV patients, and it is shown that this algorithm can obtain acceptable and optimal STI strategies with fewer training data. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Sources: Web Of Science, ORCID
Added: June 20, 2022

2022 journal article

Numerical simulation and analysis of multiscale interface coupling between a poroelastic medium and a lumped hydraulic circuit: Comparison between functional iteration and operator splitting methods

JOURNAL OF COMPUTATIONAL PHYSICS, 466.

author keywords: Multiscale interface coupling; Poroelasticity; Lumped hydraulic circuit; Operator splitting; Functional iterations
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, Web Of Science
Added: June 18, 2022

2022 journal article

Torsion in thin regions of Khovanov homology

CANADIAN JOURNAL OF MATHEMATICS-JOURNAL CANADIEN DE MATHEMATIQUES, 74(3), 630–654.

By: A. Chandler*, A. Lowrance, R. Sazdanovic* & V. Summers

author keywords: Knot; Khovanov homology; homologically thin
Source: Web Of Science
Added: June 13, 2022

2022 journal article

<p>A broken circuit model for chromatic homology theories</p>

EUROPEAN JOURNAL OF COMBINATORICS, 104.

By: A. Chandler* & R. Sazdanovic n

Sources: Web Of Science, ORCID
Added: June 6, 2022

2022 journal article

A high order compact time/space finite difference scheme for the 2D and 3D wave equation with a damping layer

JOURNAL OF COMPUTATIONAL PHYSICS, 460.

author keywords: Compact finite differences; Absorbing boundary layer; Unbounded domain; High-order accuracy; Wave equation
Sources: Web Of Science, ORCID
Added: May 31, 2022

2022 article

Influence of water table dynamics on spatial and temporal patterns of hydroclimate extremes over Lake Victoria Basin, East Africa: Comparison of wet and dry years

Anyah, R., Xia, S., & Semazzi, F. (2022, May 16). INTERNATIONAL JOURNAL OF CLIMATOLOGY.

author keywords: Lake Victoria Basin; water table dynamics; wet and dry conditions
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: May 31, 2022

2022 journal article

Weak solutions in nonlinear poroelasticity with incompressible constituents

NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS, 67.

author keywords: Nonlinear poroelasticity; Implicit evolution equations; Quasilinear parabolic; Weak solutions; Energy methods; Incompressible constituents
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID
Added: May 31, 2022

2022 journal article

Local Unitary Equivalence of Generic Multi-qubits Based on the CP Decomposition

INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS, 61(5).

By: J. Chang* & N. Jing n

author keywords: Local unitary equivalence; Tensors; CP decomposition
Sources: Web Of Science, ORCID
Added: May 23, 2022

2022 journal article

Consistent time‐homogeneous modeling of SPX and VIX derivatives

Mathematical Finance, 32(3), 907–940.

By: A. Papanicolaou n

author keywords: consistent pricing; market models; stochastic volatility; VIX futures
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, Crossref
Added: May 23, 2022

2022 journal article

A new patch up technique for elliptic partial differential equation with irregularities

JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 407.

By: S. Singh*, S. Singh* & Z. Li n

author keywords: Elliptic partial differential equation; Interface; Jump conditions; Cubic spline collocation; Irregularities; Patch up technique
Sources: Web Of Science, ORCID
Added: May 16, 2022

2022 journal article

Model-assisted deep learning of rare extreme events from partial observations

CHAOS, 32(4).

By: A. Asch*, E. J. Brady, H. Gallardo*, J. Hood*, B. Chu n & M. Farazmand n

MeSH headings : Computer Simulation; Deep Learning; Memory, Long-Term; Neural Networks, Computer; Reproducibility of Results
TL;DR: Long short-term memory networks are found to be most robust to noise and to yield relatively accurate predictions, while requiring minimal fine-tuning of the hyperparameters. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: May 16, 2022

2022 journal article

Near-Optimal Variance-Based Uncertainty Relations

FRONTIERS IN PHYSICS, 10.

By: Y. Xiao*, N. Jing n, B. Yu*, S. Fei* & X. Li-Jost*

author keywords: <p>numbers:& nbsp;03.65.ta,& nbsp;& nbsp;03.67.a,& nbsp;& nbsp;42.50.lc</p>; uncertainty relation; variance-based; uncertainty interval
TL;DR: This work investigates the fundamental limitations of variance-based uncertainty relations, and introduces several ‘near optimal’ bounds for incompatible observables, and detailed how to formulate lower bounds for product-form variance- based uncertainty relations by employing entropic uncertainty relations. (via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: May 16, 2022

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