On the point spectrum of ℋ︁–2‐singular perturbations

DOI10.1002/mana.200410461zbMath1120.47007OpenAlexW2330128959MaRDI QIDQ3427398

Alexei Konstantinov, Mykola Dudkin, Sergio A. Albeverio, Volodymyr Koshmanenko

Publication date: 20 March 2007

Published in: Mathematische Nachrichten (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/mana.200410461

zbMATH Keywords

singular perturbationeigenvalue problemselfadjoint extensionKrein's formula

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55)

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