设α∈π(π是一个群),本文讨论了忘却函子F((α)):M_A(π-C)→M_A_α的可分性,并得到函子F((α))可分的充要条件.作为结果的应用,证明了偏Doi-Hopfπ-模的Maschke型定理.
In this paper, let α∈π(π is α group). We discuss the separability of the forgetful functor F(α) : MAπ-C→MAα, and get the sufficient and necessary conditions forF(α). As an application of our results, we prove the Maschke-type theorem for partial Doi-Hopf π-modules.