将平坦模定义中的理想条件弱化为有限表现的零化子理想,提出了FPA-平坦模的概念,从而推广了平坦模。并讨论了FPA-平坦模的一系列等价刻画及性质,特别证明:正合列中FPA-平坦模的等价刻画以及IIMi是FPA-平坦左R-模当且仅当Mi是FPA-平坦左R-模等。
In this paper, by weakening the ideal condition of the flat module to finitely - presented annihilator ideal condition, the notion of FPA -flat module is defined, its equivalent definitions and properties are studied. So the flat module is extended. Especially the equivalent definitions of FPA - flat module in the exact sequence are given. It is proved that IIM is a FPA - flat module if and only if each Mi is a FPA - flat module.