A Schur type analysis of the minimal unitary Hilbert space extensions of a Kreĭn space isometry whose defect subspaces are Hilbert spaces

DOI10.4171/ZAA/513zbMath0807.47012MaRDI QIDQ1329647

Stefania A. M. Marcantognini, Hendrik S. V. de Snoo, Aalt Dijksma

Publication date: 5 March 1995

Published in: Zeitschrift für Analysis und ihre Anwendungen (Search for Journal in Brave)

zbMATH Keywords

momentsSchur parametersscattering matricescommutant lifting theorem for Kreĭn space contractionsKreĭn space isometryminimal unitary Hilbert space extensionsone- step isometric Hilbert space extensions

Mathematics Subject Classification ID

Linear operator methods in interpolation, moment and extension problems (47A57) Dilations, extensions, compressions of linear operators (47A20) Linear operators on spaces with an indefinite metric (47B50)

Related Items (3)

Hermitian kernels with bounded structure ⋮ A Schur type analysis of the minimal weak unitary Hilbert space dilations of a Kreĭn space bicontraction and the Relaxed Commutant Lifting Theorem in a Kreĭn space setting ⋮ Operators of Hankel type

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