Strongly approximative similarity of operators

DOI10.1007/S10114-009-7478-ZzbMath1175.47016OpenAlexW2093919680MaRDI QIDQ5902194

Sen Zhu, You Qing Ji

Publication date: 11 November 2009

Published in: Acta Mathematica Sinica. English Series (Search for Journal in Brave)

Full work available at URL: https://projecteuclid.org/euclid.twjm/1500574992

zbMATH Keywords

compact operatorquasitriangular operatorCowen-Douglas operatoressentially similar

Mathematics Subject Classification ID

(Semi-) Fredholm operators; index theories (47A53) Structure theory of linear operators (47A65) Quasitriangular and nonquasitriangular, quasidiagonal and nonquasidiagonal linear operators (47A66)

Cites Work

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• The quasiapproximate \((\mathcal U + \mathcal K)\)-invariants of essentially normal operators
• Small compact perturbation of strongly irreducible operators.
• Strongly Irreducible Operators on Hilbert Space
• Quasitriangular $+$ small compact $=$ strongly irreducible
• Strongly approximative similarity of operators

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