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检索条件"机构=1. Hunan Key Laboratory for Computation and Simulation in Science and Engineering"
341 条 记 录,以下是151-160 订阅
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GLOBAL OPTIMIZATION FOR THE PORTFOLIO SELECTION MODEL WITH HIGH-ORDER MOMENTS
arXiv
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arXiv 2022年
作者: Yang, Liu Yang, Yi Zhong, Suhan Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan University School of Mathematics and Computational Sciences Xiangtan University Hunan Xiangtan411105 China School of Mathematics Hunan City University Hunan Yiyang413000 China Department of Mathematics Texas A&M University College StationTX77843-3368 United States
In this paper, we study the global optimality of polynomial portfolio optimization (PPO). The PPO is a kind of portfolio selection model with high-order moments and flexible risk preference parameters. We introduce a ... 详细信息
来源: 评论
A convergence analysis of a structure-preserving gradient flow method for the all-electron Kohn-Sham model
arXiv
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arXiv 2023年
作者: Shen, Yedan Wang, Ting Zhou, Jie Hu, Guanghui School of Mathematics and Information Science Guangzhou University Guangzhou China Faculty of Science and Technology University of Macau China Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan University Xiangtan China School of Mathematical Computational Sciences Xiangtan University Xiangtan China Zhuhai UM Science & Technology Research Institute Zhuhai China Guangdong-Hong Kong-Macao Joint Laboratory for Data-Driven Fluid Mechanics and Engineering Applications University of Macau China
In [Dai et al, Multi. Model. Simul., 2020], a structure-preserving gradient flow method was proposed for the ground state calculation in Kohn–Sham density functional theory, based on which a linearized method was dev... 详细信息
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A Jacobi Collocation Method for the Fractional Ginzburg-Landau Differential Equation
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Advances in Applied Mathematics and Mechanics 2020年 第1期12卷 57-86页
作者: Yin Yang Jianyong Tao Shangyou Zhang Petr V.Sivtsev Hunan Key Laboratory for Computation and Simulation in Science and Engineering Key Laboratory of Intelligent Computing&Information Processing of Ministry of EducationSchool of Mathematics and Computational ScienceXiangtan UniversityXiangtanHunan 411105China Department of Mathematical Sciences University of DelawareNewarkDE 19716USA International Scientific and Research Laboratory of Multiscale Model Reduction and High Performance Computing Ammosov North Eastern UniversityKulakovskogo677013YakutskRussia
In this paper,we design a collocation method to solve the fractional Ginzburg-Landau equation.A Jacobi collocation method is developed and implemented in two ***,we space-discretize the equation by the Jacobi-Gauss-Lo... 详细信息
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Adaptive finite element method for phase field fracture models based on recovery error estimates
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Journal of computational and Applied Mathematics 2026年 472卷
作者: Tian Tian Chunyu Chen Liang He Huayi Wei School of Mathematics and Computational Science Xiangtan University Xiangtan 411105 China National Center of Applied Mathematics in Hunan Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan 411105 China
The phase-field model is a widely used mathematical approach for describing crack propagation in continuum damage fractures. In the context of phase field fracture simulations, adaptive finite element methods (AFEM) a...
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computationally efficient sandbox algorithm for multifractal analysis of large-scale complex networks with tens of millions of nodes
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Physical Review E 2021年 第4期103卷 043303-043303页
作者: Yuemin Ding Jin-Long Liu Xiaohui Li Yu-Chu Tian Zu-Guo Yu Department of Energy and Process Engineering Norwegian University of Science and Technology 7049 Trondheim Norway School of Computer Science Queensland University of Technology Brisbane QLD 4000 Australia Key Laboratory of Intelligent Computing and Information Processing of Ministry of Education and Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan University Xiangtan Hunan 411105 China School of Information Science and Engineering Wuhan University of Science and Technology Wuhan Hubei 430081 China
Among various algorithms of multifractal analysis (MFA) for complex networks, the sandbox MFA algorithm behaves with the best computational efficiency. However, the existing sandbox algorithm is still computationally ... 详细信息
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Diffeomorphic image registration with an optimal control relaxation and its implementation
arXiv
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arXiv 2021年
作者: Zhang, Jianping Li, Yanyan School of Mathematics and Computational Science Hunan National Center for Applied Mathematics Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan University Hunan Xiangtan411105 China School of Mathematics and Computational Science Xiangtan University Hunan Xiangtan411105 China
Image registration has played an important role in image processing problems, especially in medical imaging applications. It is well known that when the deformation is large, many variational models cannot ensure diff... 详细信息
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The Schur complements for SDD1.matrices and their application to linear complementarity problems
arXiv
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arXiv 2025年
作者: Hu, Yang Liu, Jianzhou Zeng, Wenlong School of Mathematics and Computational Science Xiangtan University Hunan Xiangtan411105 China Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan University Xiangtan China Department of Mathematics Shanghai University Shanghai200444 China
In this paper we propose a new scaling method to study the Schur complements of SDD1.matrices. Its core is related to the non-negative property of the inverse M-matrix, while numerically improving the Quotient formula... 详细信息
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Two-level overlapping Schwarz methods based on local generalized eigenproblems for hermitian variational problems
arXiv
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arXiv 2021年
作者: Lu, Qing Wang, Junxian Shu, Shi Peng, Jie School of Mathematics and Computational Science Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan University Hunan Xiangtan411105 China School of Mathematical Sciences South China Normal University Guangzhou510631 China
The research of two-level overlapping Schwarz (TL-OS) method based on constrained energy minimizing coarse space is still in its infancy, and there exist some defects, e.g. mainly for second order elliptic problem and... 详细信息
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Finite element methods for fractional diffusion equations
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International Journal of Modeling, simulation, and Scientific Computing 2020年 第4期11卷 32-52页
作者: Yue Zhao Chen Shen Min Qu Weiping Bu Yifa Tang LSEC ICMSECAcademy of Mathematics and Systems Science Chinese Academy of SciencesBeijing 100190P.R.China School of Mathematical Sciences University of Chinese Academy of Sciences Beijing 100049 P.R.China School of Mathematics and Computational Science&Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan University Hunan 411105P.R.China
Due to the successful applications in engineering,physics,biology,finance,etc.,there has been substantial interest in fractional diffusion equations over the past few decades,and literatures on developing and analyzin... 详细信息
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Hm-CONFORMING VIRTUAL ELEMENTS IN ARBITRARY DIMENSION
arXiv
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arXiv 2021年
作者: Huang, Xuehai Chen, Chunyu Wei, Huayi Hunan Key Laboratory for Computation and Simulation in Science and Engineering School of Mathematics and Computational Science Xiangtan University Xiangtan411105 China School of Mathematics Shanghai University of Finance and Economics Shanghai200433 China
The Hm-conforming virtual elements of any degree k on any shape of polytope in n with m, n ≥ 1.and k ≥ m are recursively constructed by gluing conforming virtual elements on faces in a universal way. For the lowest ... 详细信息
来源: 评论