Discrete spectrum in spectral gaps of a self-adjoint operator under unbounded perturbations

DOI10.1007/BF02673743zbMath0964.47003MaRDI QIDQ1588949

V. A. Sloushch

Publication date: 11 December 2000

Published in: Journal of Mathematical Sciences (New York) (Search for Journal in Brave)

zbMATH Keywords

perturbationspectrumself-adjoint operatornumber of eigenvalues

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) Linear symmetric and selfadjoint operators (unbounded) (47B25)

Cites Work

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