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Effective algorithms for computing triangular operator in Schubert calculus 期刊论文
FRONTIERS OF MATHEMATICS IN CHINA, 2015, 卷号: 10, 期号: 1, 页码: 221-237
作者:  Zhang Kai;  Zhang Jiachuan;  Duan Haibao;  Li Jingzhi
收藏  |  浏览/下载:106/0  |  提交时间:2021/01/14
Triangular operator  Schubert calculus  parallel algorithm  central binomial coefficient  
A posterior error analysis for the nonconforming discretization of Stokes eigenvalue problem 期刊论文
ACTA MATHEMATICA SINICA-ENGLISH SERIES, 2014, 卷号: 30, 期号: 6, 页码: 949-967
作者:  Jia Shang Hui;  Luo Fu Sheng;  Xie He Hu
收藏  |  浏览/下载:94/0  |  提交时间:2021/01/14
FINITE-ELEMENT APPROXIMATIONS  EQUATIONS  CONVERGENCE  ESTIMATORS  A posteriori error estimate  adaptive finite element method  nonconforming  Stokes eigenvalue problem  
A posteriori error estimator for eigenvalue problems by mixed finite element method 期刊论文
SCIENCE CHINA-MATHEMATICS, 2013, 卷号: 56, 期号: 5, 页码: 887-900
作者:  Jia ShangHui;  Chen HongTao;  Xie HeHu
收藏  |  浏览/下载:120/0  |  提交时间:2021/01/14
SUPERCONVERGENCE RESULT  ELLIPTIC PROBLEMS  APPROXIMATION  CONVERGENCE  second order elliptic eigenvalue problem  mixed finite element method  Raviart-Thomas  a posteriori error estimate  adaptive  
Rotated block triangular preconditioning based on PMHSS 期刊论文
SCIENCE CHINA-MATHEMATICS, 2013, 卷号: 56, 期号: 12, 页码: 2523-2538
作者:  Bai ZhongZhi
收藏  |  浏览/下载:116/0  |  提交时间:2021/01/14
HERMITIAN SPLITTING METHODS  DEFINITE LINEAR-SYSTEMS  NONSYMMETRIC MATRICES  block two-by-two matrix  PMHSS preconditioner  block triangular preconditioning  product-type preconditioning  eigen-properties  
LOCAL MULTILEVEL METHODS FOR SECOND-ORDER ELLIPTIC PROBLEMS WITH HIGHLY DISCONTINUOUS COEFFICIENTS 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2012, 卷号: 30, 期号: 3, 页码: 223-248
作者:  Chen Huangxin;  Xu Xuejun;  Zheng Weiying
收藏  |  浏览/下载:141/0  |  提交时间:2021/01/14
BOUNDARY-VALUE-PROBLEMS  WEIGHTED L2 PROJECTION  FINITE-ELEMENT METHODS  MULTIGRID V-CYCLE  DOMAIN DECOMPOSITION  3 DIMENSIONS  ITERATIVE METHODS  ERROR ESTIMATORS  SCHWARZ METHODS  REFINED MESHES  Local multilevel method  Adaptive finite element method  Preconditioned conjugate gradient method  Discontinuous coefficients  
The Algorithms about Fast Non-local Means Based Image Denoising 期刊论文
应用数学学报:英文版, 2012, 卷号: 28.0, 期号: 002, 页码: 247-254
作者:  Xing Lili;  Chang Qianshun;  Qiao Tiantian
收藏  |  浏览/下载:107/0  |  提交时间:2021/01/14
图像去噪  快速算法  计算成本  图像处理  降噪效果  成本费用  数值实验