Optimal Error Estimates for the Finite Element Spectral Approximation of Noncompact Operators

DOI10.1137/0716053zbMath0419.65067OpenAlexW2062810566MaRDI QIDQ3853081

Wendell H. Jun. Mills

Publication date: 1979

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

Full work available at URL: https://doi.org/10.1137/0716053

zbMATH Keywords

rates of convergenceoptimal error estimatesfinite element approximationsspectral approximationsequence of eigenvaluesnoncompact operatorslinear partial differential eigenvalue problems

Mathematics Subject Classification ID

Estimates of eigenvalues in context of PDEs (35P15) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Numerical solutions to equations with linear operators (65J10) Numerical methods for eigenvalue problems for boundary value problems involving PDEs (65N25)

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