Mathematics talks

13- Non-linear preservers and Drazin invertible operators of bounded index

Fourth International Days of Functional Analysis-Spectral Theory, Fès, Sidi Mohammed Ben Abdellah University, 25-26 October 2019

12- Linear presevers problem: Examples and approachs

Seminary of the Analysis Geometry and Applications Laboratory (LAGA), Oujda, Mohammed First University, 15 April 2019

11- Perturbation class of algebraic operators and applications

3rd Moroccan Andalusian Meeting on Algebras and their Applications, Chefchaoun, Abdelmalek Essaâdi University, 12-14 April 2018

10- Characterizations of Jordan morphisms on Banach algebras

2nd days: Algebras, Numbers Theory and their Applications (JATNA), Oujda, Mohammed First University, 24-25 November 2017

9- Strongly preservers problem of Drazin invertibility

5th International Congress of the Moroccan Society of Applied Mathematics (SM2A), Meknes, Moulay Ismail University, 16-18 March 2017

8- Linear maps preserving quadratic operators

14th National Meeting of the Network: Spectral Theory and Applications (RTSA), Meknes, Moulay Ismail University, 6-7 January 2017

7- Kaplansky's problem and Drazin inverse

2nd scientific edition of the Applied Mathematics and Information Systems Laboratory (MASI), Nador, Multidisciplinary Faculty, 21-22 December 2016

6- On Hua's theorem for bounded operators

Seminary of the Analysis Geometry and Applications Laboratory (LAGA), Oujda, Mohammed First University, 16 December 2016

5- Drazin invertible operators and linear preservers

13th National Meeting of the Network: Spectral Theory and Applications (RTSA), Rabat, Mohammed Five University, 29-30 April 2016

4- Additive maps preserving Drazin inverses with fixed index

2nd edition of the International Colloquium on New Trends in Approximation, Oujda, Mohammed First University, 18-19 December 2015

3- Additive preservers of some algebraic operators

Days: Algebras, Numbers Theory and their Applications (JATNA), Oujda, Mohammed First University, 4-5 December 2015

2- Additive preservers and groupe invertibility

4th International Congress of the Moroccan Society of Applied Mathematics (SM2A), Oujda, Mohammed First University, 12-14 February 2015

1- Additive maps preserving singular groupe inverses

National Conference on Operators Theory (CNTO2), Oujda, Mohammed First University, 19-20 December 2014