Essential spectra of quasisimilar \((p,k)\)-quasihyponormal operators

DOI10.1155/JIA/2006/72641zbMath1097.47023WikidataQ59212567 ScholiaQ59212567MaRDI QIDQ2491569

In Hyoun Kim, An Hyun Kim

Publication date: 29 May 2006

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

Full work available at URL: https://eudml.org/doc/126482

zbMATH Keywords

spectrumessential spectrum\((qk)\)-quasihyponormal operatorquasihyponormal operator

Mathematics Subject Classification ID

Several-variable operator theory (spectral, Fredholm, etc.) (47A13) Spectrum, resolvent (47A10) Subnormal operators, hyponormal operators, etc. (47B20) (Semi-) Fredholm operators; index theories (47A53)

Related Items (2)

Quasinilpotent Part of class A or (p, k)-quasihyponormal Operators ⋮ Fuglede-Putnam-type theorems for the extensions of \(M\)-hyponormal operators

Cites Work

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• Classes of linear operators. Vol. I
• Quasisimilarity of hyponormal and subdecomposable operators
• Equality of Essential Spectra of Certain Quasisimilar Seminormal Operators
• Equality of Spectra of Quasi-Similar Hyponormal Operators
• Weyl spectra of operator matrices
• On (p,k)-quasihyponormal operators
• Invertible completions of $2\times 2$ upper triangular operator matrices
• On p-quasihyponormal operators and quasisimilarity
• Spectral structure and subdecomposability of $p$-hyponormal operators

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