摘要
第一部分在[3]中张量积的定义下证明了投射半模的张量积仍是投射的;第二部分在文献[4]正合列的定义下建立了投射半模与函子正合列的等价条件.
In the first part,we proof that tensor product of projective semimodules is still projective;In second part,we construct the equivalence condition of projective semimodule and Hom exact sequence.
出处
《华东交通大学学报》
2006年第5期136-138,145,共4页
Journal of East China Jiaotong University
关键词
张量积
投射半模
正合列
tensor product of semimodule
projective semimodule
exact sequence.
