Variants of Weyl's theorem for direct sums of closed linear operators

DOI10.22034/AOT.1701-1087OpenAlexW2623297688MaRDI QIDQ1679300

Karuna Mamtani, Anuradha Gupta

Publication date: 9 November 2017

Published in: Advances in Operator Theory (Search for Journal in Brave)

Full work available at URL: https://projecteuclid.org/journals/advances-in-operator-theory/volume-2/issue-4/Variants-of-Weyls-theorem-for-direct-sums-of-closed-linear/10.22034/aot.1701-1087.full

zbMATH Keywords

direct sumsWeyl's theorema-Weyl's theoremBrowder's theoremoperators with compact resolvent

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) (Semi-) Fredholm operators; index theories (47A53) Local spectral properties of linear operators (47A11)

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Weyl's theorem for paranormal closed operators

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