利用代数表示论和同调代数的方法,给出了弱wakamatsu余倾斜模的若干等价刻画。证明了C是弱wakamatsu余倾斜模,当且仅当C是Π-self-......

Let R be an associative(not necessary commutative)ring.In this paper,we give some properties of Hom-faithful and Hom-cof......