Perturbation theory, M-essential spectra of operator matrices
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Publication:5864809
DOI10.2298/FIL2004187AzbMath1500.47006MaRDI QIDQ5864809
Sonia Yengui, Boulbeba Abdelmoumen
Publication date: 10 June 2022
Published in: Filomat (Search for Journal in Brave)
Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) (Semi-) Fredholm operators; index theories (47A53) Operator matrices (47A08)
Cites Work
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