Rank-one singular perturbations with a dual pair of eigenvalues

DOI10.1023/A:1024421612464zbMath1036.47006OpenAlexW106006524MaRDI QIDQ1402285

Mykola Dudkin, Volodymyr Koshmanenko, Sergio A. Albeverio

Publication date: 20 August 2003

Published in: Letters in Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1023/a:1024421612464

zbMATH Keywords

eigenvalue problemsselfadjoint extensionsKrein's formularank one singular perturbations

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) Eigenvalue problems for linear operators (47A75)

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