Compact perturbations of normal operators in a Krejn space

DOI10.1007/BF01057382zbMath0726.47024OpenAlexW2056552491MaRDI QIDQ803904

Peter Jonas, Tomas Ya. Azizov

Publication date: 1990

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

Full work available at URL: https://doi.org/10.1007/bf01057382

zbMATH Keywords

compact operatorsexistence of the spectral functionperturbation of a fundamentally reducible normal operatorunbounded normal operator in a Krein space

Mathematics Subject Classification ID

Perturbation theory of linear operators (47A55) Linear operators on spaces with an indefinite metric (47B50)

Related Items (3)

Locally definite normal operators in Kreĭn spaces ⋮ Local spectral theory for normal operators in Krein spaces ⋮ Two-sided Weighted Shifts Are ‘Almost Krein’ Normal

Cites Work

• Normal extensions of operators to Krein spaces
• On a class of selfadjoint operators in Krein space and their compact perturbations
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