Rabia, Besma2021-07-122021-07-122021https://repository.univ-msila.dz/handle/123456789/24864In this research, we studied some classes of linear operators ideals such as the class of p-factorable operators, p-th power factorable operators, and the class of (p; q)-factorable operators. The main aim of our work is to present the ideal of Fp;q-factorable operators which introduced by Orlando GALDAMES-BRAVO. Some extrapolation theorems related to this class are shown.en(p; q)- factorable operator, p-th power factorable operator, vector measure, p-summing operator.Thesis