On the defect index of quadratic self-adjoint operator pencils

DOI10.1023/A:1019818516267zbMath1033.15008OpenAlexW86936204WikidataQ62469752 ScholiaQ62469752MaRDI QIDQ1810191

Aleksey S. Kostenko

Publication date: 15 June 2003

Published in: Mathematical Notes (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1023/a:1019818516267

zbMATH Keywords

matrix pencilinstability indexdefect indexe-dichotomyspectrum of an operator pencil

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones) (47A56) Matrix pencils (15A22)

Related Items (2)

Instability indices for matrix polynomials ⋮ An instability index theory for quadratic pencils and applications

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