Contracts

Aboussaghid Alkabouss Sakha, from Niger, PhD Student in Mathematics at the Cheikh Anta Diop University

Abdoulaye Maïga, from Mali, PhD Student in Mathematics at Cheikh Anta Diop University

Mohamadou Sall, Cheikh Anta Diop University , Senegal, PhD Student in Mathematics

Michel Seck,  Cheikh Anta Diop University, PhD Student in Mathematics

Bang Biang Narcisse,  Univ Bamenda, Cameroun, PhD Student in Mathematics