Isolated point of spectrum of \(p\)-quasihyponormal operators

DOI10.1016/S0024-3795(01)00476-1zbMath1011.47018MaRDI QIDQ5957205

Kôtarô Tanahashi

Publication date: 6 March 2002

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

zbMATH Keywords

spectral projectionspectrumbounded linear operatorcomplex Hilbert space\(p\)-quasihyponormal operators

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Subnormal operators, hyponormal operators, etc. (47B20)

Related Items (10)

On \(k\)-quasi-\(*\)-paranormal operators ⋮ On operators satisfying \(T^{*}|T^2|T\geq T^{*}|T|^{2}T\) ⋮ On \((n,k)\)-quasi-\(*\)-paranormal operators ⋮ \(p\)-quasihyponormal operators have scalar extensions of order 6 ⋮ On operators satisfying \(T^*|T^{2}|T \geq T^*|T^*|^{2}T\) ⋮ Spectrum of class \(wF(p,r,q)\) operators ⋮ On \(k\)-quasiclass \(A\) operators ⋮ Subscalarity of \((p,k)\)-quasihyponormal operators ⋮ Isolated points of spectrum of (\(p,k\))-quasihyponormal operators ⋮ Riesz projections for a class of Hilbert space operators

Cites Work

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• Spectral theory of hyponormal operators
• Inequalities of Putnam and Berger-Shaw for \(p\)-quasihyponormal operators
• On log-hyponormal operators
• Putnam's inequality for log-hyponormal operators
• Some generalized theorems on \(p\)-hyponormal operators
• On p-hyponormal operators for \(0<p<1\)
• The p-Hyponormality of The Aluthge Transform.
• Putnam's Inequality for p-Hyponormal Operators
• Hyponormal operators and spectral density

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