Local ultraconvergence of finite element methods for <scp>second‐order</scp> elliptic problems with singularity
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Publication:6066457
DOI10.1002/num.22668OpenAlexW3107127308MaRDI QIDQ6066457
Wulan Li, Ren Zhao, Guanrong Li, Wen-ming He
Publication date: 12 December 2023
Published in: Numerical Methods for Partial Differential Equations (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1002/num.22668
discrete Green's functionultraconvergencelocal symmetric techniqueRichardson extrapolation technique
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