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检索条件"机构=The Department of Mathematics and Program in Applied and Computational Mathematics"
7153 条 记 录,以下是361-370 订阅
排序:
Batched Nonparametric Contextual Bandits
arXiv
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arXiv 2024年
作者: Jiang, Rong Ma, Cong Committee on Computational and Applied Mathematics University of Chicago United States Department of Statistics University of Chicago United States
We study nonparametric contextual bandits under batch constraints, where the expected reward for each action is modeled as a smooth function of covariates, and the policy updates are made at the end of each batch of o... 详细信息
来源: 评论
A Single-Loop Algorithm for Decentralized Bilevel Optimization
arXiv
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arXiv 2023年
作者: Dong, Youran Ma, Shiqian Yang, Junfeng Yin, Chao Department of Mathematics Nanjing University Nanjing China Department of Computational Applied Mathematics and Operations Research Rice University Houston United States
Bilevel optimization has gained significant attention in recent years due to its broad applications in machine learning. This paper focuses on bilevel optimization in decentralized networks and proposes a novel single... 详细信息
来源: 评论
Coarse-grained spectral projection: A deep learning assisted approach to quantum unitary dynamics
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Physical Review B 2021年 第2期103卷 024304-024304页
作者: Pinchen Xie Weinan E Department of Mathematics and Program in Applied and Computational Mathematics Princeton University New Jersey 08544 USA
We propose the coarse-grained spectral projection method (CGSP), a deep learning assisted approach for tackling quantum unitary dynamic problems with an emphasis on quench dynamics. We show that CGSP can extract spect... 详细信息
来源: 评论
Detailed discussion of discrepancy between theoretical and observed spectral lines in Kr-like W^(38+)based on advanced consideration of core electron correlations
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Chinese Physics B 2025年 第5期34卷 328-337页
作者: Guo-Qing Peng Kai Wang Jun Yan Wei Kang Center for Applied Physics and Technology Peking UniversityBeijing 100871China Department of Physics and Anhui Key Laboratory of Optoelectric Materials Science and Technology Key Laboratory of Functional Molecular SolidsMinistry of EducationAnhui Normal UniversityWuhu 241000China Institute of Applied Physics and Computational Mathematics Beijing 100088China
For the observed line at 799.23°A in tungsten EBIT experiment,which was assigned to be^(3)F_(4)^(o)−^(3)F_(3)^(o)([Ar]4s^(2)4p^(5)4d)of W^(38+)ion,there were noticeable deviations for most calculated wavelengths ... 详细信息
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A Mathematical Framework for Learning Probability Distributions
arXiv
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arXiv 2022年
作者: Yang, Hongkang Program in Applied and Computational Mathematics Princeton University United States
The modeling of probability distributions, specifically generative modeling and density estimation, has become an immensely popular subject in recent years by virtue of its outstanding performance on sophisticated dat... 详细信息
来源: 评论
Stability of the Inviscid Power-Law Vortex
arXiv
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arXiv 2024年
作者: Binz, Tim Coiculescu, Matei P. Princeton University Program in Applied & Computational Mathematics Fine Hall Washington Road PrincetonNJ08544 United States Princeton University Department of Mathematics Fine Hall Washington Road PrincetonNJ08544 United States
We prove that the power-law vortex ω¯ (x) = β|x|−α, which explicitly solves the stationary unforced incompressible Euler equations in R2 in both physical and self-similar coordinates, is exponentially linearly... 详细信息
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Multiple solutions and hysteresis in the flows driven by surface with antisymmetric velocity profile
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Chinese Physics B 2021年 第9期30卷 83-88页
作者: Xiao-Feng Shi Dong-Jun Ma Zong-Qiang Ma De-Jun Sun Pei Wang Institute of Applied Physical and Computational Mathematics Beijing 100094China Center for Applied Physics and Technology Peking UniversityBeijing 100871China Department of Modern Mechanics University of Science and Technology of ChinaHefei 230027China
Multiple steady solutions and hysteresis phenomenon in the square cavity flows driven by the surface with antisymmetric velocity profile are investigated by numerical simulation and bifurcation analysis.A high order s... 详细信息
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Correction: Evaluation of beta integrals of Ramanujan type and integral representations for bilateral hypergeometric series
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The Ramanujan Journal 2025年 第3期67卷 1-2页
作者: Cohl, Howard S. Volkmer, Hans Applied and Computational Mathematics Division National Institute of Standards and Technology Mission Viejo USA Department of Mathematical Sciences University of Wisconsin–Milwaukee Milwaukee USA
来源: 评论
FINITE TIME BLOWUP FOR KELLER-SEGEL EQUATION WITH LOGISTIC DAMPING IN THREE DIMENSIONS
arXiv
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arXiv 2025年
作者: Liu, Jiaqi Wang, Yixuan Zhou, Tao Department of Mathematics University of Southern California Los AngelesCA90089 United States Applied and Computational Mathematics California Institute of Technology PasadenaCA91125 United States Department of Mathematics National University of Singapore Singapore119076 Singapore
The Keller-Segel equation, a classical chemotaxis model, and many of its variants have been extensively studied for decades. In this work, we focus on 3D Keller-Segel equation with a quadratic logistic damping term −&...
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Riemannian Proximal Sampler for High-accuracy Sampling on Manifolds
arXiv
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arXiv 2025年
作者: Guan, Yunrui Balasubramanian, Krishnakumar Ma, Shiqian Department of Computational Applied Mathematics and Operations Research Rice University United States Department of Statistics University of California Davis United States
We introduce the Riemannian Proximal Sampler, a method for sampling from densities defined on Riemannian manifolds. The performance of this sampler critically depends on two key oracles: the Manifold Brownian Incremen... 详细信息
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