Numerical approximation of the spectrum of self-adjoint operators in operator preconditioning
DOI10.1007/s11075-022-01263-5zbMath1496.65067OpenAlexW4281716886WikidataQ114224285 ScholiaQ114224285MaRDI QIDQ2163458
Tomáš Gergelits, Zdeněk Strakoš, Bjørn Fredrik Nielsen
Publication date: 10 August 2022
Published in: Numerical Algorithms (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1007/s11075-022-01263-5
preconditioningnumerical approximationgeneralized spectrumbounded non-compact operatorssecond-order PDEs
Numerical computation of eigenvalues and eigenvectors of matrices (65F15) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Spectrum, resolvent (47A10) Numerical solutions to equations with linear operators (65J10) Preconditioners for iterative methods (65F08)
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