A note on generalized spectrum approximation

DOI10.1134/S1995080218090263zbMath1489.47023OpenAlexW2909305397MaRDI QIDQ669544

Hamza Guebbai, Ammar Khellaf

Publication date: 15 March 2019

Published in: Lobachevskii Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s1995080218090263

zbMATH Keywords

spectral pollutiongeneralized spectrumproperty Lproperty U

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Linear operator approximation theory (47A58) Numerical solution of eigenvalue problems involving ordinary differential equations (65L15)

Related Items (3)

New convergence mode for the generalized spectrum approximation ⋮ GENERALIZED QUADRATIC SPECTRUM APPROXIMATION IN BOUNDED AND UNBOUNDED CASES ⋮ The condition pseudospectrum of a operator pencil

Cites Work

• Generalized spectrum approximation and numerical computation of eigenvalues for Schrödinger's operators
• Classes of linear operators. Vol. I
• A remark on spurious eigenvalues in a square
• The Numerical Solution of Integral Equations of the Second Kind
• On the problem of spurious eigenvalues in the approximation of linear elliptic problems in mixed form
• Spectral pollution
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