Invariance of the essential spectra of closed linear operator pencils on a Banach space

DOI10.1007/s43034-022-00168-7OpenAlexW4220993016MaRDI QIDQ2134733

Wafa Selmi, Nedra Moalla

Publication date: 3 May 2022

Published in: Annals of Functional Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s43034-022-00168-7

zbMATH Keywords

essential spectrumoperator pencilslinear relation\(2\times 2\)Fredholm perturbation theory

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) (Semi-) Fredholm operators; index theories (47A53) Spectral theory of functional-differential operators (34K08)

Cites Work

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