兰州大学机构库 >数学与统计学院

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Variants of the deteriorated PSS preconditioner for saddle point problems 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2018, 卷号: 75, 期号: 6, 页码: 3024-3046
Authors:  Liang, ZZ;  Zhang, GF;  Zhang, GF (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China.
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Saddle point problem  Positive definite and skew-Hermitian splitting  Preconditioning  Iteration method  Spectral analysis  Optimization  
Preconditioned HSS iteration method and its non-alternating variant for continuous Sylvester equations 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2018, 卷号: 75, 期号: 20, 页码: 1095-1106
Authors:  Li, X;  Huo, HF;  Yang, AL;  Huo, HF (reprint author), Lanzhou Univ Technol, Coll Elect & Informat Engn, Lanzhou 730050, Gansu, Peoples R China.
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Continuous Sylvester equation  Preconditioned HSS iteration  Non-alternating PHSS iteration  Inexact iteration  Convergence analysis  
Two modified block-triangular splitting preconditioners for generalized saddle-point problems 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2017, 卷号: 74, 页码: 1176-1197
Authors:  Zhou, SW;  Yang, AL;  Wu, YJ;  Zhou, SW (reprint author), Gansu Agr Univ, Coll Sci, Lanzhou 730070, Gansu, Peoples R China.
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Generalized saddle-point problem  Preconditioner  Matrix splitting  Spectral property  Minimal polynomial  
Stability of a reaction-diffusion alcohol model with the impact of tax policy 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2017, 卷号: 74, 页码: 613-633
Authors:  Zhu, CC;  Zhu, J;  Zhu, CC (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China.
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Tax policy  Reaction diffusion  Basic reproduction number  Global stability  Numerical simulations  
New variant of the HSS iteration method for weighted Toeplitz regularized least-squares problems from image restoration 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2017, 卷号: 73, 期号: 11, 页码: 2482-2499
Authors:  Liao, LD;  Zhang, GF(张国凤);  Zhang, GF (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Peoples R China.
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Preconditioning  HSS iteration method  Image restoration  Least-squares problems  Weighted Toeplitz matrices  
On semi-convergence of the parameterized generalized MHSS method for singular complex linear systems 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2017, 卷号: 73, 期号: 8, 页码: 1824-1833
Authors:  Zeng, ML;  Sevin, WP;  Zhang, GF(张国凤);  Zeng, ML (reprint author), Putian Univ, Sch Math, Putian 351100, Peoples R China.
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Complex linear systems  MHSS iteration method  Parameterized generalized MHSS iteration method  Semi-convergence  
Traveling waves in a nonlocal dispersal SIRH model with relapse 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2017, 卷号: 73, 期号: 8, 页码: 1707-1723
Authors:  Zhu, CC;  Li, WT(李万同);  Yang, FY;  Li, WT (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Gansu, Peoples R China.
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Nonlocal dispersal  Relapse  Traveling wave solutions  Basic reproduction number  Schauder's fixed-point theorem  
Numerical schemes of the time tempered fractional Feynman-Kac equation 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2017, 卷号: 73, 期号: 6, 页码: 1063-1076
Authors:  Deng, WH(邓伟华);  Zhang, ZJ;  Zhang, ZJ (reprint author), Lanzhou Univ, Sch Math & Stat, Gansu Key Lab Appl Math & Complex Syst, Lanzhou 730000, Peoples R China.
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Tempered fractional substantial derivative  Feynman-Kac equation  Finite difference approximation  Finite element approximation  
Preconditioning of complex linear systems from the Helmholtz equation 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2016, 卷号: 72, 期号: 1-9, 页码: 2473-2485
Authors:  Liao, LD;  Zhang, GF(张国凤);  Zhang, GF (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Peoples R China.
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Complex Linear Systems  Preconditioner  Krylov Subspace Method  Pshns Method  Convergence  
Two new variants of the HSS preconditioner for regularized saddle point problems 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2016, 卷号: 72, 期号: 3, 页码: 603-619
Authors:  Liang, ZZ;  Zhang, GF(张国凤);  Zhang, GF (reprint author), Lanzhou Univ, Sch Math & Stat, Lanzhou 730000, Peoples R China.
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Hermitian and skew-Hermitian splitting  Preconditioning  Regularized saddle point problem  Spectral analysis  Optimization