The \(({\mathcal U}+{\mathcal K})\)-orbit of essentially normal operators and compact perturbations of strongly irreducible operators

DOI10.1142/S0252959900000273zbMath0954.47016MaRDI QIDQ1567598

Chun Lan Jiang, Zong Yao Wang, You Qing Ji

Publication date: 4 September 2000

Published in: Chinese Annals of Mathematics. Series B (Search for Journal in Brave)

zbMATH Keywords

compact operatoressentially normalFredholm domainbounded Fredholm operatorsnontrivial idempotentinvertible bounded operator

Mathematics Subject Classification ID

Linear operators defined by compactness properties (47B07) Perturbation theory of linear operators (47A55) (Semi-) Fredholm operators; index theories (47A53)

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