Preconditioned iterative methods on sparse subspaces

DOI10.1016/j.aml.2005.11.027zbMath1176.65030OpenAlexW2025414659MaRDI QIDQ1031714

Jari Toivanen, Kazufumi Ito

Publication date: 30 October 2009

Published in: Applied Mathematics Letters (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.aml.2005.11.027

zbMATH Keywords

numerical examplespreconditioningHelmholtz equationfictitious domain methoddomain decomposition methodKrylov subspace methodinterface problemgeneralized minimal residual (GMRES) methodsubspace iteration

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Boundary value problems for second-order elliptic equations (35J25) PDEs with low regular coefficients and/or low regular data (35R05) Iterative numerical methods for linear systems (65F10) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Preconditioners for iterative methods (65F08) Fictitious domain methods for boundary value problems involving PDEs (65N85)

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