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Convergence analysis on multigrid methods for elliptic problems with large jumps in coefficients 期刊论文
IMA JOURNAL OF NUMERICAL ANALYSIS, 2015, 卷号: 35, 期号: 4, 页码: 1888-1912
作者:  Zheng, Hui;  Wu, Jinbiao
收藏  |  浏览/下载:118/0  |  提交时间:2018/07/30
multigrid method  jump coefficient problem  discrete harmonic extension  nearly singular problem  preconditioned conjugate gradient method  
Preconditioning Poincare-Steklov operators arising from domain decompositions with mortar multipliers 期刊论文
IMA JOURNAL OF NUMERICAL ANALYSIS, 2004, 卷号: 24, 期号: 4, 页码: 643-669
作者:  Hu, QY
收藏  |  浏览/下载:97/0  |  提交时间:2018/07/30
domain decomposition  non-matching grids  mortar multiplier  Poincare-Steklov operator  inexact solver  preconditioner  condition number