On the stability problem of a pair of adjoint operators

DOI10.1063/1.525604zbMATH Open0541.47015OpenAlexW2133741660WikidataQ60043360 ScholiaQ60043360MaRDI QIDQ3327197

Per-Olov Löwdin

Publication date: 1983

Published in: Journal of Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1063/1.525604

zbMATH Keywords

eigenvalue problemadjoint operatorstability problemJordan blocksSegre characteristicsCayley-Hamilton equationbivariational principlecomplete set of eigenfunctionsclassical canonical formsdiscrete point spectrumnonorthogonal projectorsskew-projectors

Mathematics Subject Classification ID

(Generalized) eigenfunction expansions of linear operators; rigged Hilbert spaces (47A70)

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