scientific article; zbMATH DE number 2222918

zbMath1096.47004MaRDI QIDQ5701721

Hassi, Seppo

Publication date: 4 November 2005

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

Friedrichs extensionrigged Hilbert spaceKrein-von Neumann extensionlinear relationmultivalued linear operatornonnegative relationselfajoint extension

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Linear symmetric and selfadjoint operators (unbounded) (47B25) Positive linear operators and order-bounded operators (47B65) Linear relations (multivalued linear operators) (47A06) (Generalized) eigenfunction expansions of linear operators; rigged Hilbert spaces (47A70)

Related Items (7)

A factorization of extremal extensions with applications to block operator matrices ⋮ A canonical decomposition for linear operators and linear relations ⋮ Operators on anti-dual pairs: Lebesgue decomposition of positive operators ⋮ On symmetries in the theory of finite rank singular perturbations ⋮ Essentially self-adjoint linear relations in Hilbert spaces ⋮ Factorized sectorial relations, their maximal-sectorial extensions, and form sums ⋮ Completion, extension, factorization, and lifting of operators

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