A note on the spectra of a \(3 \times 3\) operator matrix and application
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Publication:1947171
DOI10.15352/afa/1399899533zbMath1261.47009OpenAlexW2092036004MaRDI QIDQ1947171
Aref Jeribi, Nedra Moalla, Aymen Ammar
Publication date: 12 April 2013
Published in: Annals of Functional Analysis (Search for Journal in Brave)
Full work available at URL: http://www.emis.de/journals/AFA/AFA-tex_v4_n2_a13.pdf
Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) (Semi-) Fredholm operators; index theories (47A53)
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On a characterization of Jeribi, Rakočević, Schechter, Schmoeger and Wolf essential spectra of a 3⨉3 block operator matrices with non diagonal domain and application ⋮ A new decomposition for multivalued 3 × 3 matrices ⋮ Perturbations of Fredholm linear relations in Banach spaces with application to \(3 \times 3\)-block matrices of linear relations ⋮ Some properties of upper triangular \(3\times 3\)-block matrices of linear relations ⋮ On the essential spectra of some matrix of linear relations ⋮ On inequalities for eigenvalues of 2 × 2 matrices with Schatten–von Neumann entries
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