文件名称：反向极限与模的FP-内射包 (1990年)
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更新时间：2024-07-01 19:37:10
自然科学 论文
Let R be a ring with unit element,and A a left R-module. A is called FP-injective if ExtR(P,A) =p for every finitely presented R-module P. Let E,R(A) denote the injective hull of A. In the paper we prove by means of inverse li-mit functor that any module