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
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
Imen Ferjani, Aref Jeribi, Bilel Krichen, “Spectral Properties Involving Generalized Weakly Demicompact Operators”, Mediterr. J. Math., 16:2 (2019)
Ammar A., Jeribi A., Saadaoui B., “A Characterization of Essential Pseudospectra of the Multivalued Operator Matrix”, Anal. Math. Phys., 8:3 (2018), 325–350
Mohamed Berkani, Monia Boudhief, Nedra Moalla, “Stability of essential B-spectra of unbounded linear operators and applications”, Afr. Mat., 29:7-8 (2018), 1189