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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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Fast matrix splitting preconditioners for higher dimensional spatial fractional diffusion equations
期刊论文
JOURNAL OF COMPUTATIONAL PHYSICS, 2020, 卷号: 404, 页码: 13
Authors:
Bai, Zhong-Zhi
;
Lu, Kang-Ya
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View/Download:11/0
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Submit date:2020/05/24
Spatial fractional diffusion equations
Shifted finite-difference discretization
Block Toeplitz-like matrix
Block circulant-like matrix
Preconditioning
Eigenvalue distribution
On regularized Hermitian splitting iteration methods for solving discretized almost-isotropic spatial fractional diffusion equations
期刊论文
NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS, 2020, 卷号: 27, 期号: 1, 页码: 21
Authors:
Bai, Zhong-Zhi
;
Lu, Kang-Ya
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View/Download:12/0
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Submit date:2020/06/30
convergence property
matrix splitting iteration
preconditioning
spatial fractional diffusion equation
Computing eigenpairs of Hermitian matrices in perfect Krylov subspaces
期刊论文
NUMERICAL ALGORITHMS, 2019, 卷号: 82, 期号: 4, 页码: 1251-1277
Authors:
Bai, Zhong-Zhi
;
Miao, Cun-Qiang
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View/Download:11/0
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Submit date:2020/05/24
Hermitian eigenproblem
Krylov subspace method
Inexact iteration
Convergence property
Regularized HSS iteration methods for stabilized saddle-point problems
期刊论文
IMA JOURNAL OF NUMERICAL ANALYSIS, 2019, 卷号: 39, 期号: 4, 页码: 1888-1923
Authors:
Bai, Zhong-Zhi
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View/Download:18/0
  |  
Submit date:2020/01/10
stabilized saddle-point problem
Hermitian and skew-Hermitian splitting
stationary iteration method
inexact implementation
preconditioning
convergence
Uzawa methods for a class of block three-by-three saddle-point problems
期刊论文
NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS, 2019, 页码: 26
Authors:
Huang, Na
;
Dai, Yu-Hong
;
Hu, QiYa
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View/Download:18/0
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Submit date:2020/01/10
inexact Uzawa method
saddle-point problem
Uzawa method
On multistep Rayleigh quotient iterations for Hermitian eigenvalue problems
期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2019, 卷号: 77, 期号: 9, 页码: 2396-2406
Authors:
Bai, Zhong-Zhi
;
Miao, Cun-Qiang
;
Jian, Shuai
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View/Download:18/0
  |  
Submit date:2020/01/10
Hermitian eigenvalue problem
Rayleigh quotient iteration
Multistep modification
Inexact solve
Preconditioning
NUMERICAL APPROXIMATION OF ELLIPTIC PROBLEMS WITH LOG-NORMAL RANDOM COEFFICIENTS
期刊论文
INTERNATIONAL JOURNAL FOR UNCERTAINTY QUANTIFICATION, 2019, 卷号: 9, 期号: 2, 页码: 161-186
Authors:
Wan, Xiaoliang
;
Yu, Haijun
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View/Download:13/0
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Submit date:2020/01/10
Wiener chaos expansion
Wick product
stochastic elliptic PDE
uncertainty quantification
log-normal random coefficient
A NOVEL INTEGRAL EQUATION FOR SCATTERING BY LOCALLY ROUGH SURFACES AND APPLICATION TO THE INVERSE PROBLEM: THE NEUMANN CASE
期刊论文
SIAM JOURNAL ON SCIENTIFIC COMPUTING, 2019, 卷号: 41, 期号: 6, 页码: A3673-A3702
Authors:
Qu, Fenglong
;
Zhang, Bo
;
Zhang, Haiwen
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Submit date:2020/09/23
integral equation
locally rough surface
Neumann boundary condition
far-field pattern
RCIP method
Newton iteration method
On spectral clustering of HSS preconditioner for generalized saddle-point matrices
期刊论文
LINEAR ALGEBRA AND ITS APPLICATIONS, 2018, 卷号: 555, 页码: 285-300
Authors:
Bai, Zhong-Zhi
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View/Download:26/0
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Submit date:2018/10/07
Generalized saddle-point problem
Hermitian and skew-Hermitian splitting
Preconditioning
Spectral property
Respectively scaled HSS iteration methods for solving discretized spatial fractional diffusion equations
期刊论文
NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS, 2018, 卷号: 25, 期号: 5, 页码: 18
Authors:
Bai, Zhong-Zhi
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View/Download:21/0
  |  
Submit date:2019/01/11
convergence property
HSS iteration
matrix splitting
preconditioning
respective scaling
spatial fractional diffusion equation