A remark on the essential spectra of quasi-similar dominant contractions

DOI10.1017/S0017089500007680zbMath0723.47016OpenAlexW2054639138MaRDI QIDQ3210404

Bhaggy Duggal

Publication date: 1989

Published in: Glasgow Mathematical Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/s0017089500007680

zbMATH Keywords

essential spectrahyponormal operatorsdominant contractionsquasi-affinities

Mathematics Subject Classification ID

Linear operators defined by compactness properties (47B07) Spectrum, resolvent (47A10) Subnormal operators, hyponormal operators, etc. (47B20)

Cites Work

• Equality of Essential Spectra of Certain Quasisimilar Seminormal Operators
• Equality of Spectra of Quasi-Similar Hyponormal Operators
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