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中国科学院数学与系统科学研究院机构知识库
KMS Of Academy of mathematics and systems sciences, CAS
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On accelerating a multilevel correction adaptive finite element method for Kohn-Sham equation
期刊论文
JOURNAL OF COMPUTATIONAL PHYSICS, 2023, 卷号: 472, 页码: 22
Authors:
Hu, Guanghui
;
Xie, Hehu
;
Xu, Fei
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View/Download:46/0
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Submit date:2023/02/07
Kohn-Sham equation
Multilevel correction method
Finite element method
Separately handing nonlinear terms
Parallel computing
ON THE CONVERGENCE TO LOCAL LIMIT OF NONLOCAL MODELS WITH APPROXIMATED INTERACTION NEIGHBORHOODS
期刊论文
SIAM JOURNAL ON NUMERICAL ANALYSIS, 2022, 卷号: 60, 期号: 4, 页码: 2046-2068
Authors:
Du, Qiang
;
Xie, Hehu
;
Yin, Xiaobo
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View/Download:17/0
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Submit date:2023/02/07
nonlocal model
peridynamics
polygonal approximation
horizon parameter
asymptotically compatible
convergence
An Algebraic Multigrid Method for Eigenvalue Problems and Its Numerical Tests
期刊论文
EAST ASIAN JOURNAL ON APPLIED MATHEMATICS, 2021, 卷号: 11, 期号: 1, 页码: 1-19
Authors:
Zhang, Ning
;
Han, Xiaole
;
He, Yunhui
;
Xie, Hehu
;
You, Chun'guang
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View/Download:149/0
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Submit date:2021/01/14
Algebraic multigrid
multilevel correction
eigenvalue problem
A multigrid method for the ground state solution of Bose-Einstein condensates based on Newton iteration
期刊论文
BIT NUMERICAL MATHEMATICS, 2021, 页码: 19
Authors:
Xu, Fei
;
Xie, Hehu
;
Xie, Manting
;
Yue, Meiling
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View/Download:97/0
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Submit date:2021/04/26
BEC
GPE
Nonlinear eigenvalue problem
Multigrid method
Finite element method
Adaptive time-stepping algorithms for molecular beam epitaxy: Based on energy or roughness
期刊论文
APPLIED MATHEMATICS LETTERS, 2020, 卷号: 99, 页码: 8
Authors:
Luo, Fusheng
;
Xie, Hehu
;
Xie, Manting
;
Xu, Fei
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View/Download:156/0
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Submit date:2020/01/10
Molecular beam epitaxy
Adaptive time-stepping method
Equidistribution of energy
Equidistribution of roughness
A PARALLEL AUGMENTED SUBSPACE METHOD FOR EIGENVALUE PROBLEMS
期刊论文
SIAM JOURNAL ON SCIENTIFIC COMPUTING, 2020, 卷号: 42, 期号: 5, 页码: A2655-A2677
Authors:
Xu, Fei
;
Xie, Hehu
;
Zhang, Ning
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View/Download:94/0
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Submit date:2021/04/26
eigenvalue problems
parallel augmented subspace method
multigrid method
parallel computing
A cascadic multigrid method for nonsymmetric eigenvalue problem
期刊论文
APPLIED NUMERICAL MATHEMATICS, 2019, 卷号: 146, 页码: 55-72
Authors:
Yue, Meiling
;
Xie, Hehu
;
Xie, Manting
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View/Download:120/0
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Submit date:2020/01/10
Nonsymmetric eigenvalue problem
Cascadic multigrid
Multilevel correction method
Finite element method
Computable Error Estimates for Ground State Solution of Bose-Einstein Condensates
期刊论文
JOURNAL OF SCIENTIFIC COMPUTING, 2019, 卷号: 81, 期号: 2, 页码: 1072-1087
Authors:
Xie, Hehu
;
Xie, Manting
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Submit date:2020/05/24
Bose-Einstein condensate
Gross-Pitaevskii equation
Finite element method
Computable error estimates
Lower bound
Acceleration of Weak Galerkin Methods for the Laplacian Eigenvalue Problem
期刊论文
JOURNAL OF SCIENTIFIC COMPUTING, 2019, 卷号: 79, 期号: 2, 页码: 914-934
Authors:
Zhai, Qilong
;
Xie, Hehu
;
Zhang, Ran
;
Zhang, Zhimin
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View/Download:131/0
  |  
Submit date:2020/01/10
Weak Galerkin finite element method
Eigenvalue problem
Two-grid method
Two-space method
Lower bound
FAST EIGENPAIRS COMPUTATION WITH OPERATOR ADAPTED WAVELETS AND HIERARCHICAL SUBSPACE CORRECTION
期刊论文
SIAM JOURNAL ON NUMERICAL ANALYSIS, 2019, 卷号: 57, 期号: 6, 页码: 2519-2550
Authors:
Xie, Hehu
;
Zhang, Lei
;
Owhadi, Houman
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Submit date:2020/09/23
multiscale eigenvalue problem
gamblet decomposition
multigrid iteration
subspace correction
numerical homogenization