GENERALIZED QUADRATIC SPECTRUM APPROXIMATION IN BOUNDED AND UNBOUNDED CASES
DOI10.15393/j3.art.2021.10150zbMath1490.34110OpenAlexW3212984012MaRDI QIDQ5086591
Soumia Kamouche, Mourad Ghiat, Hamza Guebbai, Sami Segni
Publication date: 6 July 2022
Published in: Issues of Analysis (Search for Journal in Brave)
Full work available at URL: http://mathnet.ru/eng/pa331
Eigenvalue problems (93B60) Error bounds for boundary value problems involving PDEs (65N15) Spectrum, resolvent (47A10) Eigenvalue problems for linear operators (47A75) Eigenvalue problems for integral equations (45C05) Numerical approximation of eigenvalues and of other parts of the spectrum of ordinary differential operators (34L16)
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