\(k\)-quasihyponormal operators are subscalar

DOI10.1007/BF01309158zbMath0903.47014MaRDI QIDQ1378100

Eungil Ko

Publication date: 13 December 1998

Published in: Integral Equations and Operator Theory (Search for Journal in Brave)

zbMATH Keywords

invariant subspaceshyponormalsubscalar\(k\)-quasihyponormal operators are subscalar

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Subnormal operators, hyponormal operators, etc. (47B20) Invariant subspaces of linear operators (47A15) Spectral operators, decomposable operators, well-bounded operators, etc. (47B40)

Related Items (4)

LOCAL SPECTRAL THEORY II ⋮ On some normality-like properties and Bishop's property \((\beta)\) for a class of operators on Hilbert spaces ⋮ Totally P-posinormal operators are subscalar ⋮ Totally hereditarily normaloid operators and Weyl's theorem for an elementary operator

Cites Work

• Hyponormal operators with thick spectra have invariant subspaces
• Invariant subspaces for operators with Bishop's property \((\beta{})\) and thick spectrum
• Algebraic and Triangular n-Hyponormal Operators
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