1.Département d’Economie, Faculté des Sciences Economiques, Juridiques et Sociales,Université Mohammed V-Souissi,SalaAljadida,Morocco;2.Département de Mathématiques, Faculté des Sciences,Université Ibn Tofail,Kénitra,Morocco
Abstract:
We establish necessary and sufficient conditions under which each operator between Banach lattices is weakly compact and we give some consequences.