\(Q\)-functions of Hermitian contractions of Kreĭn-Ovcharenko type

DOI10.1007/s00020-004-1319-3zbMath1129.47300OpenAlexW2059199165MaRDI QIDQ814385

Hendrik S. V. de Snoo, Yury M. Arlinskiĭ, Hassi, Seppo

Publication date: 7 February 2006

Published in: Integral Equations and Operator Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00020-004-1319-3

zbMATH Keywords

extreme pointshorted operatorparallel sumselfadjoint extensionHermitian contractionoperator interval

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Spectrum, resolvent (47A10) Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones) (47A56) General (adjoints, conjugates, products, inverses, domains, ranges, etc.) (47A05) Linear relations (multivalued linear operators) (47A06) Operator means involving linear operators, shorted linear operators, etc. (47A64)

Related Items (4)

Discrete symplectic systems, boundary triplets, and self-adjoint extensions ⋮ Quasi-units as orthogonal projections ⋮ Unitary equivalence of proper extensions of a symmetric operator and the Weyl function ⋮ Around the Van Daele-Schmüdgen theorem

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