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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:0/0
  |  
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
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
作者:
Bai, Zhong-Zhi
;
Lu, Kang-Ya
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  |  
浏览/下载:20/0
  |  
提交时间:2020/06/30
convergence property
matrix splitting iteration
preconditioning
spatial fractional diffusion equation
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:4/0
  |  
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:9/0
  |  
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
Denoising scheme based on singular-value decomposition for one-dimensional spectra and its application in precision storage-ring mass spectrometry
期刊论文
PHYSICAL REVIEW E, 2019, 卷号: 99, 期号: 6, 页码: 10
作者:
Zhang, Y. H.
;
Wang, Q.
;
Wang, M.
;
Litvinov, Yu A.
;
Chen, X. C.
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浏览/下载:49/0
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提交时间:2019/11/10
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:51/0
  |  
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)
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