A new class intermediate between hyponormal operators and normaloid operators

DOI10.1080/03081087.2019.1700206OpenAlexW2993939352WikidataQ126622271 ScholiaQ126622271MaRDI QIDQ5860878

Mohamed Chraibi Kaadoud, Abderrahim Baghdad

Publication date: 24 November 2021

Published in: Linear and Multilinear Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/03081087.2019.1700206

zbMATH Keywords

numerical rangespectrumhyponormal operatornormal operatormaximal numerical rangenormaloid operator

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Linear operator inequalities (47A63) Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Subnormal operators, hyponormal operators, etc. (47B20) Numerical range, numerical radius (47A12) Commutators, derivations, elementary operators, etc. (47B47)

Related Items (1)

On the maximal numerical range of the bimultiplication M_2,A,B

Cites Work

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• A note on norm ideals and the operator \(X\to AX-XB\)
• Hyponormal operators
• Numerical radii for tensor products of operators
• The norm of a derivation
• A note on the maximal numerical range

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