On the Multi-Level Splitting of Finite Element Spaces for Indefinite Elliptic Boundary Value Problems

DOI10.1137/0723037zbMath0616.65102OpenAlexW2017934981MaRDI QIDQ4725667

Harry Yserentant

Publication date: 1986

Published in: SIAM Journal on Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/0723037

zbMATH Keywords

Helmholtz equationmultigrid methodsfast solversmulti-level splittinghierarchical basisconjugate gradient type methodsnested triangulationsconjugated residual iterationindefinite elliptic boundary value problem

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) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Numerical solution of discretized equations for boundary value problems involving PDEs (65N22)

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