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The local ultraconvergence for high-degree Galerkin finite element methods 期刊论文
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 2017, 卷号: 446, 期号: 1, 页码: 62-86
Authors:  He, Wen-ming;  Cui, Junzhi;  Shen, Jiangman
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Elliptic problem  Ultraconvergence  Derivative recovery operator  Displacement  Derivative  
Superconvergence and ultraconvergence of Newton-Cotes rules for supersingular integrals 期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2010, 卷号: 233, 期号: 11, 页码: 2841-2854
Authors:  Li, Jin;  Zhang, Xiaoping;  Yu, Dehao
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Supersingular integral  Composite Newton-Cotes rule  Superconvergence  Ultraconvergence  
New error estimates of biquadratic Lagrange elements for Poisson's equation 期刊论文
APPLIED NUMERICAL MATHEMATICS, 2006, 卷号: 56, 期号: 5, 页码: 712-744
Authors:  Huang, HT;  Li, ZC;  Zhou, AH
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lagrange elements  biquadratic elements  Poisson's equation  global superconvergence  ultraconvergence