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检索条件"机构=Department of Mathematics and Program in Applied and Interdisciplinary Mathematics"
2557 条 记 录,以下是381-390 订阅
排序:
Not all spacetime coordinates for general-relativistic ray tracing are created equal
arXiv
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arXiv 2023年
作者: Bozzola, Gabriele Chan, Chi-Kwan Paschalidis, Vasileios Department of Astronomy University of Arizona TucsonAZ United States Data Science Institute University of Arizona TucsonAZ United States Program in Applied Mathematics University of Arizona TucsonAZ United States Department of Physics University of Arizona TucsonAZ United States
Models for the observational appearance of astrophysical black holes rely critically on accurate general-relativistic ray tracing and radiation transport to compute the intensity measured by a distant observer. In thi... 详细信息
来源: 评论
IMPROVED EFFICIENCY OF MULTILEVEL MONTE CARLO FOR STOCHASTIC PDE THROUGH STRONG PAIRWISE COUPLING
arXiv
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arXiv 2021年
作者: Chada, Neil K. Hoel, Håkon Jasra, Ajay Zouraris, Georgios E. Applied Mathematics and Computational Science Program King Abdullah University of Science and Technology Thuwal23955-6900 Saudi Arabia Mathematics for Uncertainty Quantification RWTH Aachen University Aachen Germany Department of Mathematics and Applied Mathematics Voutes Campus Crete HeraklionGR-700 13 Greece
Multilevel Monte Carlo (MLMC) has become an important methodology in applied mathematics for reducing the computational cost of weak approximations. For many problems, it is well-known that strong pairwise coupling of... 详细信息
来源: 评论
Deep Learning based Fault Diagnosis in a Grid-Connected Photovoltaic Systems  19
Deep Learning based Fault Diagnosis in a Grid-Connected Phot...
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19th IEEE International Multi-Conference on Systems, Signals and Devices, SSD 2022
作者: Hichri, Amal Hajji, Mansour Mansouri, Majdi Bouzrara, Kais Nounou, Hazem Nounou, Mohamed Higher Institute of Applied Sciences and Technology of Kasserine Kasserine Tunisia Electrical and Computer Engineering Program Texas A&m University at Qatar Doha23874 Qatar Prince Sultan University Department of Mathematics and Sciences Riyadh11586 Saudi Arabia Signal Processing and Image National Engineering School of Monastir Research Laboratory of Automation 5019 Tunisia Chemical Engineering Program Texas A&m University at Qatar Doha23874 Qatar
Photovoltaic (PV) system fault diagnosis is crucial because it helps PV system operators reduce energy and income losses. It also decreases the risk of fire and electric shock from PV system failures. Thus, the implem... 详细信息
来源: 评论
Minuscule corrections to near-surface solar internal rotation using mode-coupling
arXiv
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arXiv 2023年
作者: Das, Srijan Bharati Kashyap, Samarth G. Oktay, Deniz Hanasoge, Shravan M. Tromp, Jeroen Department of Geosciences Princeton University PrincetonNJ United States Department of Astronomy and Astrophysics Tata Institute of Fundamental Research Mumbai India Department of Computer Science Princeton University PrincetonNJ United States Department of Geosciences and Program in Applied & Computational Mathematics Princeton University PrincetonNJ United States
The observed solar oscillation spectrum is influenced by internal perturbations such as flows and structural asphericities. These features induce splitting of characteristic frequencies and distort the resonant-mode e... 详细信息
来源: 评论
Tripling Fluctuations and Peaked Sound Speed in Fermionic Matter
arXiv
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arXiv 2024年
作者: Tajima, Hiroyuki Iida, Kei Kojo, Toru Liang, Haozhao Department of Physics Graduate School of Science The University of Tokyo Tokyo113-0033 Japan RIKEN Nishina Center Wako351-0198 Japan Department of Mathematics and Physics Kochi University 780-8520 Japan 1-1 Oho Ibaraki Tsukuba305-0801 Japan RIKEN Interdisciplinary Theoretical and Mathematical Sciences Program Wako351-0198 Japan
A crossover involving three-fermion clusters is relevant to the hadron-quark crossover, which, if occurring in a neutron star, could naturally reproduce the dense-matter equation of state recently deduced from simulta... 详细信息
来源: 评论
N-ACT: An Interpretable Deep Learning Model for Automatic Cell Type and Salient Gene Identification
arXiv
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arXiv 2022年
作者: Ali Heydari, A. Davalos, Oscar A. Hoyer, Katrina K. Sindi, Suzanne S. Department of Applied Mathematics University of California United States Health Sciences Research Institute Quantitative and Systems Biology Graduate Program Department of Molecular and Cell Biology University of California Merced United States
Single-cell RNA sequencing (scRNAseq) is rapidly advancing our understanding of cellular composition within complex tissues and organisms. A major limitation in most scRNAseq analysis pipelines is the reliance on manu... 详细信息
来源: 评论
Generalization error of GAN from the discriminator's perspective
arXiv
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arXiv 2021年
作者: Yang, Hongkang Weinan, E. Program in Applied and Computational Mathematics Princeton University United States Department of Mathematics Princeton University United States Beijing Institute of Big Data Research China
The generative adversarial network (GAN) is a well-known model for learning high-dimensional distributions, but the mechanism for its generalization ability is not understood. In particular, GAN is vulnerable to the m... 详细信息
来源: 评论
Refined least squares for support recovery
arXiv
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arXiv 2021年
作者: Lindenbaum, Ofir Steinerberger, Stefan Program in Applied Mathematics Yale University New HavenCT06511 United States Department of Mathematics University of Washington SeattleWA98195 United States
We study the problem of exact support recovery based on noisy observations and present Refined Least Squares (RLS). Given a set of noisy measurement y = Xθ∗ + ω, and X ∈ RN×D which is a (known) Gaussian matrix... 详细信息
来源: 评论
Viscosity Solutions for McKean-Vlasov Control I: one-dimensional torus
arXiv
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arXiv 2022年
作者: Soner, H. Mete Yan, Qinxin Department of Operations Research and Financial Engineering Princeton University PrincetonNJ08540 United States Program in Applied and Computational Mathematics Princeton University PrincetonNJ08540 United States
An optimal control problem in the space of probability measures, and the viscosity solutions of the corresponding dynamic programming equations defined using the intrinsic linear derivative are studied. The value func... 详细信息
来源: 评论
Deep Potentials for Materials Science
arXiv
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arXiv 2022年
作者: Wen, Tongqi Zhang, Linfeng Wang, Han Weinan, E. Srolovitz, David J. Department of Mechanical Engineering The University of Hong Kong Hong Kong DP Technology Beijing China AI for Science Institute Beijing China Laboratory of Computational Physics Institute of Applied Physics and Computational Mathematics Beijing China HEDPS CAPT College of Engineering Peking University Beijing China School of Mathematical Sciences Peking University Beijing China Department of Mathematics and Program in Applied and Computational Mathematics Princeton University Princeton United States Shenzhen China
To fill the gap between accurate (and expensive) ab initio calculations and efficient atomistic simulations based on empirical interatomic potentials, a new class of descriptions of atomic interactions has emerged and... 详细信息
来源: 评论