Instability of dense point spectrum under finite rank perturbations

DOI10.1007/s002200050150zbMath0901.47005OpenAlexW2136431365MaRDI QIDQ1379528

Alexander Ya. Gordon

Publication date: 25 November 1998

Published in: Communications in Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s002200050150

zbMATH Keywords

eigenvalueselfadjoint operatorcyclicnonnegative finite rank operator

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) Eigenvalue problems for linear operators (47A75)

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