Weyl's and Browder's theorems for operators satisfying the SVEP M Oudghiri
Studia Mathematica 1 (163), 85-101, 2004
122 2004 The descent spectrum and perturbations M Burgos, A Kaidi, M Mbekhta, M Oudghiri
Journal of Operator Theory, 259-271, 2006
66 2006 Weyl’s theorem and perturbations M Oudghiri
Integral Equations and Operator Theory 53, 535-545, 2005
54 2005 Ascent spectrum and essential ascent spectrum O Fredj, M Burgos, M Oudghiri
Studia Mathematica 1 (187), 59-73, 2008
43 2008 a-Weyl's theorem and perturbations M Oudghiri
Studia Mathematica 2 (173), 193-201, 2006
20 2006 Additive preservers of the ascent, descent and related subsets M Mbekhta, V Müller, M Oudghiri
journal of Operator Theory, 63-83, 2014
15 2014 On the isolated points of the surjective spectrum of a bounded operator M González, M Mbekhta, M Oudghiri
Proceedings of the American mathematical society 136 (10), 3521-3528, 2008
13 2008 a-Weyl's theorem and the single valued extension property. M Oudghiri
Extracta mathematicae 21 (1), 41-50, 2006
10 2006 Linear preservers of quadratic operators M Oudghiri, K Souilah
Mediterranean Journal of Mathematics 13 (6), 4929-4938, 2016
8 2016 Linear mapping preserving the kernel or the range of operators M Oudghiri
Universidad de Extremadura, Servicio de Publicaciones, 2009
8 2009 Additive mappings preserving minimum and surjectivity moduli M Mbekhta, M Oudghiri
Acta Scientiarum Mathematicarum 76 (1), 207-215, 2010
7 2010 Ascent spectrum and essential ascent spectrum O Bel Hadj Fredj, M Burgos, M Oudghiri
Studia Math 187, 59-73, 2008
7 2008 Complex symmetric operators and additive preservers problem Z Amara, M Oudghiri, K Souilah
Advances in Operator Theory 5 (1), 261-279, 2020
5 2020 Additive maps preserving Drazin invertible operators of index M Mbekhta, M Oudghiri, K Souilah
5 2017 Additive preservers of Drazin invertible operators with bounded index M Oudghiri, K Souilah
Acta Mathematica Sinica, English Series 33, 1225-1241, 2017
4 2017 Additive maps preserving Drazin invertible operators of index one M Mbekhta, M Oudghiri, K Souilah
Mathematical Proceedings of the Royal Irish Academy 116 (1), 19-34, 2016
4 2016 On additive preservers of semi-Browder operators M Mbekhta, V Müller, M Oudghiri
Revue Roumaine de Mathématiques Pures et Appliquées 59 (2), 237-44, 2014
4 2014 On additive maps preserving certain semi-Fredholm subsets M Mbekhta, M Oudghiri
Linear and Multilinear Algebra 61 (7), 1010-1016, 2013
4 2013 Nonlinear preservers problem of complex symmetric operators Z Amara, M Oudghiri
Asian-European Journal of Mathematics 14 (09), 2150162, 2021
3 2021 Finite rank perturbations of complex symmetric operators Z Amara, M Oudghiri
Journal of Mathematical Analysis and Applications 495 (1), 124720, 2021
3 2021