Some Properties of (y) Class Operators

DOI10.5666/KMJ.2009.49.2.203zbMath1201.47022OpenAlexW2023063258MaRDI QIDQ3184274

Salah Mecheri, Ahmed Bachir

Publication date: 14 October 2009

Published in: Kyungpook mathematical journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.5666/kmj.2009.49.2.203

zbMATH Keywords

hyponormal operatorsquasinilpotent operatorfinite operator\((\mathcal Y)\) classapproximate reduced spectrum

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Subnormal operators, hyponormal operators, etc. (47B20) Commutators, derivations, elementary operators, etc. (47B47)

Related Items (1)

A Fuglede-Putnam property for \(N\)-class \(A(k)\) operators

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