A condition under which 𝐵=𝐴=𝑈*𝐵𝑈 follows from 𝐵≤𝐴≤𝑈*𝐵𝑈

DOI10.1090/S0002-9939-06-08595-9zbMath1114.47021OpenAlexW1568845784MaRDI QIDQ3425985

Takateru Okayasu, Yasunori Ueta

Publication date: 7 March 2007

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1090/s0002-9939-06-08595-9

zbMATH Keywords

hyponormal operatorsPutnam's inequalitynormal approximate point spectra

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Linear operator inequalities (47A63) Spectrum, resolvent (47A10) Subnormal operators, hyponormal operators, etc. (47B20)

Related Items (4)

Inequality between unitary orbits ⋮ On the binary relation \(\leqslant_u\) on self-adjoint Hilbert space operators ⋮ Some conditions implying normality of operators ⋮ Domination of Berezin transform

Cites Work

• Spectral theory of hyponormal operators
• An inequality for the area of hyponormal spectra
• On Hyponormal Operators
• Putnam's Inequality for p-Hyponormal Operators
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