On the isolated points of the operators satisfying absolute condition inequality

DOI10.1007/s12215-023-00983-4MaRDI QIDQ6204393

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Publication date: 27 March 2024

Published in: Rendiconti del Circolo Matemàtico di Palermo. Serie II (Search for Journal in Brave)

zbMATH Keywords

tensor productRiesz idempotent\(m\)-quasi class \(A_k\)

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Subnormal operators, hyponormal operators, etc. (47B20) Perturbation theory of linear operators (47A55) (Semi-) Fredholm operators; index theories (47A53) Local spectral properties of linear operators (47A11)

Cites Work

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• A duality theorem for an arbitrary operator
• An operator transform from class A to the class of hyponormal operators and its application
• On operators satisfying \(T^{*}|T^2|T\geq T^{*}|T|^{2}T\)
• Operators with finite ascent
• The single valued extension property on a Banach space
• Analysis of non-normal operators via Aluthge transformation
• \(w\)-hyponormal operators
• On properties of \(k\)-quasi-class \(A(n)\) operators
• Operators of Riesz type
• On (n,k)-quasiparanormal operators
• Quasinilpotent Part of class A or (p, k)-quasihyponormal Operators
• On the Riesz idempotent of class A operators
• Several properties on class A including p-hyponormal and log-hyponormal operators
• ON OPERATORS WITH AN ABSOLUTE VALUE CONDITION
• Seminormality of operators from their tensor product
• WEYL'S THEOREM AND TENSOR PRODUCT FOR OPERATORS SATISFYING T^*k|T²|T^k≥T^*k|T|²T^k
• On the tensor products of operators
• TENSOR PRODUCTS OF LOG-HYPONORMAL OPERATORS
• A NOTE ON ∗-PARANORMAL OPERATORS AND RELATED CLASSES OF OPERATORS
• Hyponormal operators and spectral density
• An operator inequality