Some Remarks on Krein's Extension Theory

DOI10.1002/mana.19941650111zbMath0826.47005OpenAlexW2055378915MaRDI QIDQ4846793

Hagen Neidhardt, Johannes F. Brasche

Publication date: 27 November 1995

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

Full work available at URL: https://doi.org/10.1002/mana.19941650111

zbMATH Keywords

Krein modelextension problem of semibounded symmetric operatorsKrein's famous extension theorysymmetric operators with a gap

Mathematics Subject Classification ID

Dilations, extensions, compressions of linear operators (47A20)

Related Items (7)

New aspects of Krein's extension theory ⋮ On the singular continuous spectrum of self-adjoint extensions ⋮ Operators on anti‐dual pairs: Generalized Krein–von Neumann extension ⋮ Friedrichs extension and min-max principle for operators with a gap ⋮ Critical magnetic field for 2D magnetic Dirac-Coulomb operators and Hardy inequalities ⋮ On inverse spectral theory for selfadjoint extensions: Mixed types of spectra ⋮ Completion, extension, factorization, and lifting of operators

Cites Work

• Operational calculus of linear relations
• On the absolutely continuous spectrum of self-adjoint extensions
• On the singular continuous spectrum of self-adjoint extensions

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