A note on \(k\)-quasi-\(\ast \)-paranormal operators

DOI10.1186/1029-242X-2013-350zbMath1282.47028WikidataQ59299557 ScholiaQ59299557MaRDI QIDQ2437668

Ilmi Hoxha, Naim L. Braha

Publication date: 13 March 2014

Published in: Journal of Inequalities and Applications (Search for Journal in Brave)

zbMATH Keywords

\(\ast \)-paranormal operators\(k\)-quasi-\(\ast \)-paranormal operators

Mathematics Subject Classification ID

Subnormal operators, hyponormal operators, etc. (47B20)

Related Items (5)

On \(k\)-quasi-\(*\)-paranormal operators ⋮ (n,k)-quasi class Q and (n,k)-quasi class Q^✻ weighted composition operators ⋮ Unnamed Item ⋮ Spectral and topological properties of linear operators on a Hilbert space ⋮ On (n,k)-quasi class Q^∗ operators

Cites Work

• On operators satisfying \(T^*|T^{2}|T \geq T^*|T^*|^{2}T\)
• On \(\ast\)-paranormal contractions and properties for \(\ast\)-class \(A\) operators
• On operators satisfying \(T^{*}|T^2|T\geq T^{*}|T|^{2}T\)
• Isolated points of spectrum of k-quasi-*-class A operators
• Invertible completions of $2\times 2$ upper triangular operator matrices

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