Convexity Properties of Distinguished Eigenvalues of Certain Classes of Operators

DOI10.2307/2047881zbMath0732.47021OpenAlexW4255925192MaRDI QIDQ3357733

Branko Najman

Publication date: 1991

Full work available at URL: https://doi.org/10.2307/2047881

zbMATH Keywords

Krein spaceselfadjoint operatorisolated simple eigenvalue

Mathematics Subject Classification ID

Eigenvalues, singular values, and eigenvectors (15A18) Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) Eigenvalue problems for linear operators (47A75) Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20) Linear operators on ordered spaces (47B60) Linear operators on spaces with an indefinite metric (47B50)

Cites Work

• Unnamed Item
• Superconvexity of the spectral radius, and convexity of the spectral bound and the type
• Eigenvalues of the Klein-Gordon equation
• Shorter Notes: Convexity of the Dominant Eigenvalue of an Essentially Nonnegative Matrix

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