【摘要】 阐述了态射广义逆及其模的性质 ,给出了几个猜想 ,分析了投射模、平坦模、内射模的相互关系更多还原

【Abstract】 This paper studies some properties of the generalized inverses of morphism and their module , about which we have obtained several conjectures.On the other hand,it analyzed their mutual relation of projective module,flat module and injective module.更多还原