Equality of Essential Spectra of Certain Quasisimilar Seminormal Operators

DOI10.2307/2042253zbMath0437.47017OpenAlexW4254760419MaRDI QIDQ3878238

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Publication date: 1980

Full work available at URL: https://doi.org/10.2307/2042253

zbMATH Keywords

essential spectrumhyponormal operatorquasisimilarseminormal operator

Mathematics Subject Classification ID

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

Related Items

A remark on the essential spectra of quasi-similar dominant contractions ⋮ Essential spectra of quasisimilar \((p,k)\)-quasihyponormal operators

Cites Work

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• A note on quasitriangular operators
• Strictly cyclic operator algebras
• On roots of normal operators
• Quasi-similarity of operators
• Equality of Spectra of Quasi-Similar Hyponormal Operators
• On Majorization and Normality of Operators
• Approximate Point Spectrum of a Weighted Shift