MAXIMUM SUBSPACES RELATED TO A-CONTRACTIONS AND QUASINORMAL OPERATORS

DOI10.4134/JKMS.2008.45.1.205zbMath1151.47010OpenAlexW1995620570MaRDI QIDQ5453743

Laurian Suciu

Publication date: 3 April 2008

Published in: Journal of the Korean Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4134/jkms.2008.45.1.205

zbMATH Keywords

quasinormal operatorquasi-isometry\(A\)-contraction\(A\)-isometry

Mathematics Subject Classification ID

Linear operator inequalities (47A63) Subnormal operators, hyponormal operators, etc. (47B20) Invariant subspaces of linear operators (47A15)

Related Items (12)

Operators intertwining with isometries and Brownian parts of 2-isometries ⋮ Maximum \(A\)-isometric part of an \(A\)-contraction and applications ⋮ \(A\)-numerical radius and product of semi-Hilbertian operators ⋮ Quasi-isometries associated to \(A\)-contractions ⋮ Asymptotic properties for compressions of two-isometries ⋮ Bounds for \(\mathbb{A} \)-numerical radius based on an extension of \(A\)-Buzano inequality ⋮ Some upper bounds for the \(\mathbb{A} \)-numerical radius of \(2\times 2\) block matrices ⋮ Asymptotic behaviours and generalized Toeplitz operators ⋮ Partial isometries and the conjecture of C. K. Fong and S. K. Tsui ⋮ On operators with two-isometric liftings ⋮ Quasi-isometries in semi-Hilbertian spaces ⋮ Brownian type parts of operators in Hilbert spaces

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