Algebraic extensions of semi-hyponormal operators

DOI10.1007/BF01192832zbMath0969.47021OpenAlexW2087288212MaRDI QIDQ1587856

Eungil Ko, Mee-Kyoung Kim

Publication date: 2 October 2001

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

Full work available at URL: https://doi.org/10.1007/bf01192832

zbMATH Keywords

algebraic extensionssemi-hyponormal operatorsnontrivial invariant subspacesrich spectra

Mathematics Subject Classification ID

Subnormal operators, hyponormal operators, etc. (47B20) Dilations, extensions, compressions of linear operators (47A20) Linear operators on function spaces (general) (47B38) Spectral operators, decomposable operators, well-bounded operators, etc. (47B40)

Related Items (3)

On solutions of operator equations satisfying the similarity of real and positive parts ⋮ Class \(A\) composition operators on \(H^{2}\) ⋮ On operators with similar positive parts

Cites Work

• Spectral theory of hyponormal operators
• Invariant subspaces for subscalar operators
• Lectures on hyponormal operators
• On p-hyponormal operators for \(0<p<1\)
• Algebraic and Triangular n-Hyponormal Operators
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