On elliptic problems with abruptly changing coefficients and asymptotically optimal algorithms for approximate solution of these problems

zbMath0999.35022MaRDI QIDQ5954762

Evgenij D'yakonov

Publication date: 6 February 2002

Published in: Moscow University Computational Mathematics and Cybernetics (Search for Journal in Brave)

zbMATH Keywords

elliptic equationsasymptotically optimal algorithmsBakhvalov-Kolmogorov principlenumerical analysisstrictly saddle operator

Mathematics Subject Classification ID

Second-order elliptic equations (35J15) Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs (65M60)

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