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CONVERGENCE ANALYSIS OF INEXACT TWO-GRID METHODS: A THEORETICAL FRAMEWORK 期刊论文
SIAM JOURNAL ON NUMERICAL ANALYSIS, 2022, 卷号: 60, 期号: 1, 页码: 133-156
Authors:  Xu, Xuefeng;  Zhang, Chen-Song
Favorite  |  View/Download:15/0  |  Submit date:2022/04/29
multigrid  inexact two-grid methods  convergence factor  eigenvalue analysis  
A new estimate for a quantity involving the Chebyshev polynomials of the first kind 期刊论文
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2019, 卷号: 476, 期号: 2, 页码: 302-308
Authors:  Xu, Xuefeng;  Zhang, Chen-Song
Favorite  |  View/Download:51/0  |  Submit date:2020/01/10
Chebyshev polynomials  Recurrence relation  Smoothed aggregation  
科学精神的传承挑战与对策 期刊论文
科技导报北京, 2019, 卷号: 37, 期号: 22, 页码: 143-148
Authors:  李晓轩;  徐伟宣;  刘则渊;  李伦;  姜雪峰;  徐翔;  陈悦;  周涛;  徐芳;  刘文斌;  郑毅;  马士聪;  刘驰;  王贤文;  陈玥如
Favorite  |  View/Download:46/0  |  Submit date:2020/05/24
New perturbation bounds for the spectrum of a normal matrix 期刊论文
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2017, 卷号: 455, 期号: 1-2, 页码: 1937-1955
Authors:  Xu, Xuefeng;  Zhang, Chen-Song
Favorite  |  View/Download:92/0  |  Submit date:2018/07/30
Spectrum  Perturbation  Hermitian matrix  Normal matrix  Departure from normality  
Generalization of the Sherman-Morrison-Woodbury formula involving the Schur complement 期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 2017, 卷号: 309, 页码: 183-191
Authors:  Xu, Xuefeng
Favorite  |  View/Download:26/0  |  Submit date:2018/07/30
Sherman-Morrison-Woodbury formula  Moore-Penrose inverse  Schur complement  
An improved upper bound for the number of distinct eigenvalues of a matrix after perturbation 期刊论文
LINEAR ALGEBRA AND ITS APPLICATIONS, 2017, 卷号: 523, 页码: 109-117
Authors:  Xu, Xuefeng
Favorite  |  View/Download:24/0  |  Submit date:2018/07/30
Distinct eigenvalues  Perturbation  Defectivity  Derogatory index  
空间引力波探测天文学的一个新窗口 期刊论文
中国科学物理学力学天文学, 2017, 卷号: 47, 期号: 1, 页码: 38
Authors:  黄双林;  龚雪飞;  徐鹏;  Pau AmaroSeoane;  边星;  陈跃文;  陈弦;  房震;  冯学锋;  刘富坤;  李硕;  李想;  罗子人;  邵明学;  Rainer Spurzem;  唐文林;  王龑;  王瑛;  臧云龙;  刘润球
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空间引力波探测——天文学的一个新窗口 期刊论文
中国科学:物理学 力学 天文学, 2017, 页码: 38
Authors:  黄双林;  龚雪飞;  徐鹏;  Pau AmaroSeoane;  边星;  陈跃文;  陈弦;  房震;  冯学锋;  刘富坤;  李硕;  李想;  罗子人;  邵明学;  Rainer Spurzem;  唐文林;  王龑;  王瑛;  臧云龙;  刘润球
Favorite  |  View/Download:38/0  |  Submit date:2021/01/14
广义相对论  空间引力波探测  天文学