Let R be a commutative ring with an identity element, G a finitely generated abelian group. In this paper,we investigate necessary and sufficient conditions on G and R such that every finitely generated projective RG ...Let R be a commutative ring with an identity element, G a finitely generated abelian group. In this paper,we investigate necessary and sufficient conditions on G and R such that every finitely generated projective RG module can be extended from R.展开更多
文摘Let R be a commutative ring with an identity element, G a finitely generated abelian group. In this paper,we investigate necessary and sufficient conditions on G and R such that every finitely generated projective RG module can be extended from R.
