Perturbations of definitizable operators in a space with an indefinite metric

zbMath0631.47026MaRDI QIDQ1094651

Yusun Tong

Publication date: 1986

Published in: Chinese Annals of Mathematics. Series B (Search for Journal in Brave)

zbMATH Keywords

operational calculusconvergence of resolvents and spectral functionsone-parameter unitary groupsPerturbations of definitizable operators in Krein space

Mathematics Subject Classification ID

Functional calculus for linear operators (47A60) Perturbation theory of linear operators (47A55) Groups and semigroups of linear operators (47D03) Linear operators on spaces with an indefinite metric (47B50)

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