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 | 53 | 2005 |
Ascent spectrum and essential ascent spectrum O Fredj, M Burgos, M Oudghiri Studia Mathematica 1 (187), 59-73, 2008 | 42 | 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 |