Boundary Triplets, Weyl Functions, and the Kreĭn Formula

DOI10.1007/978-3-0348-0667-1_32zbMath1347.47015OpenAlexW4247586876MaRDI QIDQ3462173

Vladimir A. Derkach

Publication date: 4 January 2016

Published in: Operator Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/978-3-0348-0667-1_32

zbMATH Keywords

Hilbert spaceKrein spaceselfadjoint operatorsextensionWeyl functionsymmetric operatorsKrein formulaextremal extensionboundary tripletsboundary pairscontinuation problems

Mathematics Subject Classification ID

Linear symmetric and selfadjoint operators (unbounded) (47B25) Research exposition (monographs, survey articles) pertaining to operator theory (47-02) Linear operators on spaces with an indefinite metric (47B50)

Related Items (8)

Symmetric and Isometric Relations ⋮ Effective behaviour of critical-contrast PDEs: micro-resonances, frequency conversion, and time dispersive properties. I ⋮ On the similarity of boundary triples of symmetric operators in Krein spaces ⋮ Compressed resolvents and reduction of spectral problems on star graphs ⋮ Finite-dimensional Self-adjoint Extensions of a Symmetric Operator with Finite Defect and their Compressions ⋮ On some extensions of the A-model ⋮ On extensions of symmetric operators ⋮ The A-model with mutually equal model parameters can lead to a Hilbert space model

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