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
Ammar A. Jeribi A. Saadaoui B., “Frobenius–Schur Factorization for Multivalued
$${\varvec{2\times 2}}$$
2 2 Matrices Linear Operator”, Mediterr. J. Math., 14:1 (2017), UNSP 29
Marwa Belghith, Nedra Moalla, Ines Walha, “On the essential spectra of coupled operators matrix and application”, Math Methods in App Sciences, 40:18 (2017), 7218
Nedra Moalla, Ines Walha, “Stability of Schechter essential spectrum of 2×2 block operator matrix by means of measure of non strict singularity and application”, Indagationes Mathematicae, 28:6 (2017), 1275
Salma Charfi, Ines Walha, “ON RELATIVE ESSENTIAL SPECTRA OF BLOCK OPERATOR MATRICES AND APPLICATION”, Bulletin of the Korean Mathematical Society, 53:3 (2016), 681
Aref Jeribi, Bilel Krichen, Mohammed Zarai Dhahri, “Essential spectra of some matrix operators involving γ-relatively bounded entries and an application”, Linear and Multilinear Algebra, 64:8 (2016), 1654
Aymen Ammar, Toka Diagana, Aref Jeribi, “Perturbations of Fredholm linear relations in Banach spaces with application to <mml:math altimg="si1.gif" display="inline" overflow="scroll" xmlns:xocs="http://www.elsevier.com/xml/xocs/dtd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.elsevier.com/xml/ja/dtd" xmlns:ja="http://www.elsevier.com/xml/ja/dtd" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:tb="http://www.elsevier.com/xml/common/table/dtd" xmlns:sb="http://www.elsevier.com/xml/common/struct-bib/dtd" xmlns:ce="http://www.elsevier.com/xml/common/dtd" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:cals="http://www.elsevier.com/xml/common/cals/dtd" xmlns:sa="http://www.elsevier.com/xml/common/struct-aff/dtd"><mml:mn>3</mml:mn><mml:mo>×</mml:mo><mml:mn>3</mml:mn></mml:math>-”, Arab Journal of Mathematical Sciences, 22:1 (2016), 59
Aref Jeribi, Spectral Theory and Applications of Linear Operators and Block Operator Matrices, 2015, 283