On the essential spectra of unbounded operator matrices with non diagonal domain and an application

DOI10.7153/oam-2019-13-16zbMath1448.47009OpenAlexW2923825302WikidataQ128197818 ScholiaQ128197818MaRDI QIDQ5229262

Ines Walha, Marwa Belghith, Nedra Moalla

Publication date: 14 August 2019

Published in: Operators and Matrices (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.7153/oam-2019-13-16

zbMATH Keywords

essential spectraoperator matricestransport operatorperturbation theory for Fredholm operatorsperfect periodic boundary conditions

Mathematics Subject Classification ID

(Semi-) Fredholm operators; index theories (47A53) Spectral theory of functional-differential operators (34K08) Operator matrices (47A08)

Related Items (2)

Spectral analysis of perturbed Fredholm operators ⋮ Spectral description of Fredholm operators via polynomially Riesz operators perturbation

Cites Work

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