scientific article; zbMATH DE number 1445174
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Publication:4952477
zbMath0952.47035MaRDI QIDQ4952477
Alexander Markus, Heinz K. Langer, Vladimir Matsaev
Publication date: 15 January 2001
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
linearizationspectral pointsanalytic selfadjoint operator functionbounded and compact perturbationsKrein space of strongly measurable vector valued functions
Perturbation theory of linear operators (47A55) Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones) (47A56) Linear operators on spaces with an indefinite metric (47B50)
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Self-adjoint block operator matrices with non-separated diagonal entries and their Schur complements. ⋮ Locally Definitizable Operators: The Local Structure of the Spectrum ⋮ Linearization, Factorization, and the Spectral Compression of a Self-adjoint Analytic Operator Function Under the Condition (VM) ⋮ Spectral points of type \(\pi_{+}\) and \(\pi_{-}\) of operator-valued functions taking values in the set of unbounded operators ⋮ Compact perturbation of definite type spectra of self-adjoint quadratic operator pencils. ⋮ Self-adjoint analytic operator functions and their local spectral function ⋮ Relatively bounded perturbations of \(J\)-non-negative operators
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