A Two-Level Preconditioner for Schrödinger-Type Singular Elliptic Operator

DOI10.1137/S0036142994275056zbMath0911.65120OpenAlexW2077456141MaRDI QIDQ4389122

Serguei Maliassov

Publication date: 11 May 1998

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

Full work available at URL: https://doi.org/10.1137/s0036142994275056

zbMATH Keywords

iterative methodSchrödinger equationtwo-level preconditionermultilevel substructuring preconditionersuperelement analysis

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35) Schrödinger operator, Schrödinger equation (35J10)

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