摘要
利用模论的方法得出有关余平坦模与凝聚环的关系.推出R是IF环的充要条件:R是凝聚环,且RR和RR是余平坦模.
By means of module,the relationships between coflat and coherent rings are obtained. R is sufficient condition of IF rings,where R is coherent rings and R_R and ()_RR is coflat module.
出处
《烟台师范学院学报（自然科学版）》
2003年第4期246-248,252,共4页
Yantai Teachers University journal(Natural Science Edition)
关键词
模
余平坦模
凝聚环
modules
coflat module
coherent ring
