Sums, couplings, and completions of almost Pontryagin spaces

DOI10.1016/j.laa.2012.02.031zbMath1254.46028OpenAlexW2158189557MaRDI QIDQ426043

Harald Woracek, Hendrik S. V. de Snoo

Publication date: 11 June 2012

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.laa.2012.02.031

zbMATH Keywords

completionalmost Pontryagin spacedegenerate spaceorthogonal coupling

Mathematics Subject Classification ID

Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20)

Related Items (3)

Reproducing kernel almost Pontryagin spaces ⋮ The Krein formula in almost Pontryagin spaces. A proof via orthogonal coupling ⋮ Directing Functionals and De Branges Space Completions in Almost Pontryagin Spaces

Cites Work

• The Krein formula for generalized resolvents in degenerated inner product spaces
• G-Self-adjoint Operators in Almost Pontryagin Spaces
• An Operator Theoretic Approach to Degenerated Nevanlinna‐Pick Interpolation
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