Superconvergence of the high-degree FE method for second-degree elliptic problem with periodic boundary

DOI10.1007/s00009-021-01742-4zbMath1465.65142OpenAlexW3152866811MaRDI QIDQ2025849

Xiong Liu

Publication date: 17 May 2021

Published in: Mediterranean Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00009-021-01742-4

zbMATH Keywords

superconvergenceperiodic boundarythe interpolation postprocessing technique

Mathematics Subject Classification ID

Error bounds for boundary value problems involving PDEs (65N15) Stability and convergence of numerical methods for boundary value problems involving PDEs (65N12) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Second-order elliptic equations (35J15)

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