Marwa Belguith, Nedra Moalla, Ines Walha, “Spectral analysis of one sided operator matrix and application to a radiative transfer equations in a channel”, Rend. Circ. Mat. Palermo, II. Ser, 74:5 (2025)
Jinna Yue, Huaqing Sun, “Essential Spectra of Singular Matrix Difference Systems of Mixed Order”, Math Methods in App Sciences, 2025
Faiçal Abdmouleh, Aymen Bahloul, Ines Walha, “B-essential spectra of operators matrix block 3 × 3 applied to a radiative transfer equations in a channel”, Bulletin des Sciences Mathématiques, 191 (2024), 103400
Lei Zhao, Jing Xu, Junjie Huang, “Gustafson, Jeribi, Weidmann and Wolf essential spectra and generator properties for one-sided coupled operator matrices”, Linear and Multilinear Algebra, 2024, 1
Mahamed Beghdadi, Bilel Krichen, “Characterization of generalized essential spectra of 2 × 2 operator matrices via weakly demicompact operators”, Filomat, 38:22 (2024), 7775
Faiçal Abdmouleh, Aymen Bahloul, Ines Walha, “B-essential spectra of 2 × 2 block operator matrix pencils”, Georgian Mathematical Journal, 30:2 (2023), 161
Yanyan Du, Junjie Huang, “Essential spectra of upper triangular relation matrices”, Monatsh Math, 200:1 (2023), 43
Aymen Ammar, Aicha Ezzadam, Aref Jeribi, “A Characterization of the Essential Spectra of $2\times 2$ Block Matrices of Linear Relations”, Bull. Iran. Math. Soc., 48:5 (2022), 2463
Imen Ferjani, Aref Jeribi, Bilel Krichen, “Generalized weak demicompactness involving measure of non-strict-singularity”, Indian J Pure Appl Math, 52:2 (2021), 529
Aref Jeribi, Bilel Krichen, Ali Zitouni, “Properties of Demicompact Operators, Essential Spectra and Some Perturbation Results for Block Operator Matrices with Applications”, Linear and Multilinear Algebra, 68:12 (2020), 2506