Spectral Decompositions of Selfadjoint Relations in Pontryagin Spaces and Factorizations of Generalized Nevanlinna Functions
DOI10.1007/978-3-030-44819-6_16OpenAlexW3100998550MaRDI QIDQ5150779
Hendrik Luit Wietsma, Hassi, Seppo
Publication date: 15 February 2021
Published in: Complex Function Theory, Operator Theory, Schur Analysis and Systems Theory (Search for Journal in Brave)
Full work available at URL: https://osuva.uwasa.fi/handle/10024/11756
linear relationPontryagin spacemultivalued linear operatorgeneralized Nevanlinna functionsspectral family(minimal) realizationsselfadjoint (multi-valued) operators
Spectrum, resolvent (47A10) Invariant subspaces of linear operators (47A15) Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) Linear relations (multivalued linear operators) (47A06) Linear operators on spaces with an indefinite metric (47B50)
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