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Superconvergence Analysis of a Nonconforming Triangular Element on Anisotropic Meshes

✍ Scribed by Dongyang Shi; Hui Liang; Caixia Wang

Book ID
107347038
Publisher
Academy of Mathematics and Systems Science, Chinese Academy of Sciences
Year
2007
Tongue
English
Weight
266 KB
Volume
20
Category
Article
ISSN
1009-6124

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## Abstract The numerical approximation by a lower‐order anisotropic nonconforming finite element on appropriately graded meshes are considered for solving semisingular perturbation problems. The quasi‐optimal‐order error estimates are proved in the ε‐weighted __H__^1^‐norm valid uniformly, up to a