Singular perturbations of finite rank. Point spectrum

DOI10.1007/BF02487341zbMath0894.47010MaRDI QIDQ3365031

O. V. Samoilenko, Volodymyr Koshmanenko

Publication date: 1997

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

zbMATH Keywords

singular perturbationdifferential operatorpoint spectrumoperator of multiplicationKrein resolvent formulaselfadjoint positive definite operator

Mathematics Subject Classification ID

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

Related Items (1)

On Schrödinger operators perturbed by fractal potentials

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