Professional Activities

-         Member of the Department Council (Annaba) for 11 years

-         Chairman Graduate Studies (Annaba) 1990-1994

-         Analysis Group  (member) (2002-present)

-         Applied Math. Group (member) (2002-present)

-         Algerian Association of Mathematicians (member)

-    Analysis Group  (Chairman) (2006-present)

-         Referee in Journal of Applied Mathematics (JAM)

-         Referee in Applied Mathematical Modeling (AMM)

-         Referee in African Diaspora Journal of Mathematics (ADJM)

-         Referee in Electronic Journal of Differential Equations (EJDE)

-         Referee in Electronic Journal of Qualitative Theory of Differential Equations (EJQTDE)

-         Referee in Indian Journal of Pure and Applied Mathematics (IJPAM)

-         Referee in Arabian Journal for Science and Engineering (AJSE).

-         Referee in International Journal of Applied Mathematics and Statistics (IJAMS)

-    Referee in Journal of Mathematical Analysis and Applications (JMAA)

-    Referee in Nonlinear Analysis: Theory, Methods and Applications (NATMA)

-    Referee in International Journal of Mathematics and Mathematical Sciences (IJMMS)

-   Referee in International Journal: Mathematical manuscript (IJMM)

-         Reviewer in Mathematical Reviews

-         Reviewer in Zentralblatt MATH

-         Member of the Research Group in Mathematical Inequalities and Applications (RGMIA) (Australia)

-         Member of the “Differential Equations Research Lab” (KFUPM).

-         Associate Editor in “The Australian Journal of Mathematical Analysis and Applications”

-         Coordinator of Math. Seminar (KFUPM)