Model Spaces for Compositions of Q - Functions

DOI10.1002/MANA.19981950109zbMath0922.47020OpenAlexW2123013092MaRDI QIDQ4224706

Michael Kaltenbäck

Publication date: 17 October 1999

Published in: Mathematische Nachrichten (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/mana.19981950109

zbMATH Keywords

compositionFriedrichs extension\(Q\)-functionsselfadjoint extensionsymmetric relationtensor products of Hilbert spaces

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Linear symmetric and selfadjoint operators (unbounded) (47B25) Linear operator methods in interpolation, moment and extension problems (47A57) Dilations, extensions, compressions of linear operators (47A20)

Related Items (1)

Composition of rational functions: state-space realization and applications

Cites Work

• Self-adjoint extensions of symmetric subspaces
• On generalized resolvents and \(Q\)-functions of symmetric linear relations (subspaces) in Hilbert space
• Positive selfadjoint extensions of positive symmetric subspaces
• 𝑅-functions—analytic functions mapping the upper halfplane into itself
• Unnamed Item

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