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A UNIFORM SPECTRAL ANALYSIS FOR A PRECONDITIONED ALL-AT-ONCE SYSTEM FROM FIRST-ORDER AND SECOND-ORDER EVOLUTIONARY PROBLEMS
期刊论文
SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 2022, 卷号: 43, 期号: 3, 页码: 1331-1353
作者:
Wu, Shu-Lin
;
Zhou, Tao
;
Zhou, Zhi
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  |  
浏览/下载:2/0
  |  
提交时间:2023/02/07
time-parallel algorithm
diagonalization technique
alpha-circulant preconditioner
stability
spectral analysis
Runge-Kutta method
two-step methods
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
作者:
Bai, Zhong-Zhi
;
Lu, Kang-Ya
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浏览/下载:27/0
  |  
提交时间:2020/05/24
Spatial fractional diffusion equations
Shifted finite-difference discretization
Block Toeplitz-like matrix
Block circulant-like matrix
Preconditioning
Eigenvalue distribution
A limited-memory block bi-diagonal Toeplitz preconditioner for block lower triangular Toeplitz system from time–space fractional diffusion equation
期刊论文
Journal of Computational and Applied Mathematics, 2019, 卷号: 362, 页码: 99-115
作者:
Zhao, Yong-Liang
;
Zhu, Pei-Yong
;
Gu, Xian-Ming
;
Zhao, Xi-Le
;
Cao, Jianxiong
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  |  
浏览/下载:5/0
  |  
提交时间:2020/11/14
Gradient methods
Linear systems
Matrix algebra
Partial differential equations
Circulant preconditioner
Fractional differential equations
Krylov subspace method
Toeplitz matrices
WSGD
A limited-memory block bi-diagonal Toeplitz preconditioner for block lower triangular Toeplitz system from time-space fractional diffusion equation
期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2019, 卷号: 362, 页码: 99-115
作者:
Zhao, Yong-Liang
;
Zhu, Pei-Yong
;
Gu, Xian-Ming
;
Zhao, Xi-Le
;
Cao, Jianxiong
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  |  
浏览/下载:13/0
  |  
提交时间:2019/11/15
Block triangular lower Toeplitz matrix
Skew-circulant preconditioner
Krylov subspace methods
Fractional differential equations
WSGD
L2-1(sigma) formula
Circulant dissimilarity-based shape registration for object segmentation
期刊论文
INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS, 2019, 卷号: 96, 页码: 753-766
作者:
Zeng, Xunxun
;
Chen, Fei
;
Wang, Meiqing
;
Lai, Choi-Hong
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浏览/下载:26/0
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提交时间:2019/11/21
shape prior
kernel density estimation
Segmentation
level set
circulant dissimilarity
Perfect state transfer on abelian Cayley graphs
期刊论文
Linear Algebra and its Applications, 2019, 卷号: Vol.563, 页码: 331-352
作者:
Keqin Feng
;
Xiwang Cao
;
Ying-Ying Tan
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浏览/下载:4/0
  |  
提交时间:2019/04/24
Perfect
state
transfer
Cayley
graph
Circulant
graph
Cubelike
graph
Integral
graph
Periodic
graph
Perfect state transfer on abelian Cayley graphs
期刊论文
LINEAR ALGEBRA AND ITS APPLICATIONS, 2019, 卷号: Vol.563, 页码: 331-352
作者:
Tan, Ying-Ying
;
Feng, Keqin
;
Cao, Xiwang
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  |  
浏览/下载:7/0
  |  
提交时间:2019/04/24
Perfect state transfer
Cayley graph
Circulant graph
Cubelike graph
Integral graph
Periodic graph
Performance enhancement of OFDM-VLC system using joint preprocessing scheme
期刊论文
Optics Communications, 2019
作者:
Qinghui Chen
;
Hong Wen
;
Jing He
;
Rui Deng
;
Ming Chen
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  |  
浏览/下载:52/0
  |  
提交时间:2019/12/13
Orthogonal frequency division multiplexing (OFDM)
Visible light communication (VLC)
Orthogonal circulant matrix transform (OCT)
Light emitting diodes (LED)
Performance enhancement of OFDM-VLC system using joint preprocessing scheme
期刊论文
Optics Communications, 2019, 卷号: Vol.451, 页码: 111-115
作者:
Qinghui Chen
;
Hong Wen
;
Jing He
;
Rui Deng
;
Ming Chen
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  |  
浏览/下载:47/0
  |  
提交时间:2019/12/13
Orthogonal frequency division multiplexing (OFDM)
Visible light communication (VLC)
Orthogonal circulant matrix transform (OCT)
Light emitting diodes (LED)
A Preconditioned Fast Finite Volume Method for Distributed-Order Diffusion Equation and Applications
期刊论文
EAST ASIAN JOURNAL ON APPLIED MATHEMATICS, 2019, 卷号: 9, 期号: 1, 页码: 28-44
作者:
Fu, Hongfei
;
Liu, Huan
;
Zheng, Xiangcheng
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  |  
浏览/下载:2/0
  |  
提交时间:2019/12/11
Distributed-order diffusion equation
finite volume method
fast
conjugate gradient method
circulant preconditioner
parameter
identification
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