Finite-rank perturbations of positive operators and isometries

DOI10.4064/sm173-1-5zbMath1087.47014OpenAlexW2010950073MaRDI QIDQ5469329

Man-Duen Choi, Pei Yuan Wu

Publication date: 17 May 2006

Published in: Studia Mathematica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4064/sm173-1-5

zbMATH Keywords

isometrypositive operatorfinite-rank perturbationWold--Lebesgue decomposition

Mathematics Subject Classification ID

Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Perturbation theory of linear operators (47A55) Dilations, extensions, compressions of linear operators (47A20)

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