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Singular perturbations of finite rank. Point spectrum - MaRDI portal

Singular perturbations of finite rank. Point spectrum

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Publication:4396220

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DOI10.1007/BF02487341zbMath0933.47007MaRDI QIDQ4396220

O. V. Samoilenko, Volodymyr Koshmanenko

Publication date: 14 June 1998

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

zbMATH Keywords

singular perturbation differential operator point spectrum operator of multiplication Krein resolvent formula selfadjoint positive definite operator

Mathematics Subject Classification ID

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

Related Items (1)

Singularly continuous spectrum of singularly perturbed operators

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