Definitizable operators and quasihyperbolic operator polynomials

DOI10.1006/jfan.1995.1080zbMath0878.47021OpenAlexW2041220847MaRDI QIDQ1908146

Alexander Markus, Peter Lancaster, Vladimir Matsaev

Publication date: 11 December 1997

Published in: Journal of Functional Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jfan.1995.1080

zbMATH Keywords

indefinite inner productKrein spacedefinitizable operatorquasi-hyperbolicoperator polynomialsapproximate eigenvalueinvertible selfadjoint operatorminus typeplus typeuniformly definitizable

Mathematics Subject Classification ID

Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones) (47A56) Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) Linear operators on spaces with an indefinite metric (47B50)

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