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On the structure of the resolvent of a singularly perturbed operator that solves an eigenvalue problem

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Publication:5692048
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DOI10.1007/S11253-005-0133-7zbMATH Open1083.47506OpenAlexW2159668624MaRDI QIDQ5692048

G. V. Tugaĭ, Volodymyr Koshmanenko

Publication date: 27 September 2005

Published in: Ukrainian Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s11253-005-0133-7



zbMATH Keywords

finite rank perturbationKrein resolvent formulapurely singular perturbation


Mathematics Subject Classification ID

Perturbation theory of linear operators (47A55) Linear symmetric and selfadjoint operators (unbounded) (47B25)



Related Items (2)

Title not available (Why is that?) ⋮ Singular perturbations of unbounded selfadjoint operators Reverse approach






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