The Krein formula for generalized resolvents in degenerated inner product spaces

DOI10.1007/s006050050028zbMath0941.47032OpenAlexW1999000609MaRDI QIDQ1291096

Michael Kaltenbäck, Harald Woracek

Publication date: 7 August 2000

Published in: Monatshefte für Mathematik (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s006050050028

zbMATH Keywords

Nevanlinna classinner product spacegeneralized resolventsymmetric operatorPontryagin spacegeneralized Nevanlinna functionsKreĭn formula

Mathematics Subject Classification ID

Linear symmetric and selfadjoint operators (unbounded) (47B25) Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) Positive definite functions in one variable harmonic analysis (42A82) Linear operators on spaces with an indefinite metric (47B50)

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