期刊名称:International Journal of Mathematics and Mathematical Sciences
印刷版ISSN:0161-1712
电子版ISSN:1687-0425
出版年度:2004
卷号:2004
DOI:10.1155/S0161171204310082
出版社:Hindawi Publishing Corporation
摘要:Let A be a ring and Λ a finitely generated A-module.
We give necessary and sufficient conditions for projectivity and
flatness of a module over the endomorphism ring of Λ.