Spectral properties of unbounded \(J\)-self-adjoint block operator matrices

DOI10.4171/JST/158zbMath1460.47019arXiv1410.1213MaRDI QIDQ528815

Matthias Langer, Michael Strauss

Publication date: 16 May 2017

Published in: Journal of Spectral Theory (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1410.1213

zbMATH Keywords

Schur complementKrein spacequadratic numerical range\(J\)-self-adjoint operatorspectral enclosurespectrum of positive type

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) Linear operators on spaces with an indefinite metric (47B50) Variational methods for eigenvalues of operators (49R05) Operator matrices (47A08)

Related Items (4)

Spectral enclosures for some unbounded \(n\times n\) operator matrices ⋮ Spectral inclusion property for a class of block operator matrices ⋮ Schur complement dominant operator matrices ⋮ Spectral enclosures for a class of block operator matrices

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