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检索条件"机构=Department of Mathematics and Program in Applied and Computational Mathematics"
7115 条 记 录,以下是4911-4920 订阅
排序:
Adsorption and dissociation of O2 at Be(0001): First-principles prediction of an energy barrier on the adiabatic potential energy surface
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Physical Review B 2009年 第16期79卷 165416-165416页
作者: Ping Zhang Bo Sun Yu Yang LCP Institute of Applied Physics and Computational Mathematics P.O. Box 8009 Beijing 100088 People’s Republic of China Center for Applied Physics and Technology Peking University Beijing 100871 People’s Republic of China Department of Physics and Center for Advanced Study Tsinghua University Beijing 100084 People’s Republic of China
The adsorption and dissociation of O2 molecules at the Be(0001) surface is studied by using density-functional theory within the generalized gradient approximation and a supercell approach. The physisorbed and chemiso... 详细信息
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A new approach in image registration
A new approach in image registration
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IEEE International Workshop on Imaging Systems and Techniques (IST)
作者: Constantinos Spanakis Emmanuel Mathioudakis Nikos Kampanis Manolis Tsiknakis Kostas Marias Institute of Computer Science Foundation for Research and Technology Greece Technical University of Crete Chania Greece School of Mineral Resources Engineering Technical University of Crete Greece Institute of Applied and Computational Mathematics Foundation for Research and Technology Greece Department of Applied Informatics and Multimedia Technological Educational Institute of Crete
Evolutionary algorithms are metaheuristic algorithms that mimic biological mechanisms for the solution of optimization problems. They are widely used in many problems of engineering, including image analysis and patte... 详细信息
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Hard convex lens-shaped particles: Characterization of dense disordered packings
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Physical Review E 2019年 第6期100卷 062902-062902页
作者: Giorgio Cinacchi Salvatore Torquato Departamento de Física Teórica de la Materia Condensada Instituto de Física de la Materia Condensada (IFIMAC) Instituto de Ciencias de Materiales “Nicolás Cabrera” Universidad Autónoma de Madrid Ciudad Universitaria de Cantoblanco E-28049 Madrid Spain Department of Chemistry and Department of Physics Institute for the Science and Technology of Materials Program for Applied and Computational Mathematics Princeton University Princeton New Jersey 08544 USA
Among the family of hard convex lens-shaped particles (lenses), the one with aspect ratio equal to 2/3 is “optimal” in the sense that the maximally random jammed (MRJ) packings of such lenses achieve the highest pac... 详细信息
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Solving Constrained Optimization Problems by an Improved Particle Swarm Optimization
Solving Constrained Optimization Problems by an Improved Par...
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International Conference on Innovations in Bio-inspired Computing and Applications (IBICA)
作者: Chaoli Sun Jianchao Zeng Shuchuan Chu John F. Roddick Jengshyang Pan Complex System and Computational Intelligence Laboratory Taiyuan University of Science and Technology Taiyuan Shanxi China School of Computer Science Engineering and Mathematics Flinders University Australia Department of Electronic Engineering National Kaohsiung University of Applied Sciences Kaohsiung Taiwan
Constrained optimization problems compose a large part of real-world applications. More and more attentions have gradually been paid to solve this kind of problems. An improved particle swarm optimization (IPSO) algor... 详细信息
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Can AI weather models predict out-of-distribution gray swan tropical cyclones?
arXiv
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arXiv 2024年
作者: Sun, Y. Qiang Hassanzadeh, Pedram Zand, Mohsen Chattopadhyay, Ashesh Weare, Jonathan Abbot, Dorian S. University of Chicago Department of the Geophysical Sciences ChicagoIL60637 United States University of Chicago Committee on Computational and Applied Mathematics ChicagoIL60637 United States University of Chicago Research Computing Center ChicagoIL60637 United States University of California Department of Applied Mathematics Santa CruzCA95064 United States New York University Courant Institute of Mathematical Sciences New YorkNY10012 United States
Predicting gray swan weather extremes, which are possible but so rare that they are absent from the training dataset, is a major concern for AI weather/climate models. An important open question is whether AI models c... 详细信息
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ERROR ANALYSIS FOR DISCONTINUOUS GALERKIN TIME-STEPPING METHODS FOR NONLINEAR PARABOLIC EQUATIONS VIA MAXIMAL REGULARITY
arXiv
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arXiv 2024年
作者: Akrivis, Georgios Larsson, Stig Department of Computer Science and Engineering University of Ioannina Ioannina451 10 Greece Institute of Applied and Computational Mathematics FORTH Heraklion Crete700 13 Greece Department of Mathematical Sciences Chalmers University of Technology University of Gothenburg GothenburgSE–412 96 Sweden
We consider the discretization of a class of nonlinear parabolic equations by discontinuous Galerkin time-stepping methods and establish a priori as well as conditional a posteriori error estimates. Our approach is mo... 详细信息
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Improving hp-Variational Physics-Informed Neural Networks for Steady-State Convection-Dominated Problems
arXiv
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arXiv 2024年
作者: Anandh, Thivin Ghose, Divij Jain, Himanshu Sunkad, Pratham Ganesan, Sashikumaar John, Volker Department of Computational and Data Sciences Indian Institute of Science Karnataka Bangalore India Department of Mechanical Engineering Indian Institute of Technology Tamil Nadu Madras India Weierstrass Institute for Applied Analysis and Stochastics Berlin Germany Department of Mathematics and Computer Science Freie University Berlin Germany
This paper proposes and studies two extensions of applying hp-variational physics-informed neural networks, more precisely the FastVPINNs framework, to convection-dominated convection-diffusion-reaction problems. Firs... 详细信息
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Dynamic model of a hyper-redundant, octopus-like manipulator for underwater applications
Dynamic model of a hyper-redundant, octopus-like manipulator...
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2011 IEEE/RSJ International Conference on Intelligent Robots and Systems
作者: Rongjie Kang Asimina Kazakidi Emanuele Guglielmino David T. Branson Dimitris P. Tsakiris John A. Ekaterinaris Darwin G. Caldwell Department of Advanced Robotics Istituto Italiano di Tecnologia Genova Italy Institute of Computer Science Foundation for Research and Technology Hellas FORTH Heraklion Greece Institute of Applied and Computational Mathematics Foundation for Research and Technology Hellas FORTH Heraklion Greece
The octopus arm is a unique tool that combines strength and flexibility. It can shorten, elongate and bend at any point along its length. To model this behavior, a hyper-redundant manipulator composed of multiple segm... 详细信息
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Reliable Extrapolation of Deep Neural Operators Informed by Physics or Sparse Observations
SSRN
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SSRN 2023年
作者: Zhu, Min Zhang, Handi Jiao, Anran Karniadakis, George Em Lu, Lu Department of Chemical and Biomolecular Engineering University of Pennsylvania PhiladelphiaPA19104 United States Graduate Group in Applied Mathematics and Computational Science University of Pennsylvania PhiladelphiaPA19104 United States Department of Computer and Information Science University of Pennsylvania PhiladelphiaPA19104 United States Division of Applied Mathematics Brown University ProvidenceRI02912 United States School of Engineering Brown University ProvidenceRI02912 United States
Deep neural operators can learn nonlinear mappings between infinite-dimensional function spaces via deep neural networks. As promising surrogate solvers of partial differential equations (PDEs) for real-time predictio... 详细信息
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Testing viable f(R) models with the angular-diameter distance to compact quasar cores
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Physical Review D 2019年 第10期99卷 103505-103505页
作者: Joseph Sultana Fulvio Melia Demosthenes Kazanas Department of Mathematics Faculty of Science University of Malta Msida MSD2080 Malta Department of Physics The Applied Math Program and Department of Astronomy The University of Arizona Tucson Arizona 85721 USA Astrophysics Science Division NASA/Goddard Space Flight Center Greenbelt Maryland 20771 USA
We consider here some popular f(R) models generally viewed as possible alternatives to the existence of dark energy in General Relativity. For each of these, we compute the redshift zmax at which the angular diameter ... 详细信息
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