Characterization of essential spectra by quasi-compact perturbations

DOI10.33044/revuma.2771OpenAlexW4387871867MaRDI QIDQ6145404

Hamadi Chaâben, Ines Walha, Faiçal Abdmouleh

Publication date: 2 February 2024

Published in: Revista de la Unión Matemática Argentina (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.33044/revuma.2771

zbMATH Keywords

semi-Fredholm operatorsRiesz operatorsquasi-compact operatorssemi-Browder operatorsBrowder's essential spectrumupper/lower Browder's essential spectrum

Mathematics Subject Classification ID

Several-variable operator theory (spectral, Fredholm, etc.) (47A13) Spectrum, resolvent (47A10)

Cites Work

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