Polynomial of Best Uniform Approximation to and Smoothing in Two-level Methods

DOI10.2478/cmam-2012-0026zbMath1284.65052arXiv1002.1859OpenAlexW2963783420MaRDI QIDQ5404894

Panayot S. Vassilevski, Ludmil T. Zikatanov, Johannes Kraus

Publication date: 31 March 2014

Published in: Computational Methods in Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1002.1859

zbMATH Keywords

two-level methodsbest uniform approximationpolynomial smoothingelliptic problems with large coefficient variation

Mathematics Subject Classification ID

Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Iterative numerical methods for linear systems (65F10) Numerical methods for ill-posed problems for boundary value problems involving PDEs (65N20)

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