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On Cofinitely Lifting Modules | |
Wang, Yongduo; Wu, Dejun![]() | |
2010-12 | |
发表期刊 | ALGEBRA COLLOQUIUM
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ISSN | 1005-3867 |
卷号 | 17期号:4页码:659-666 |
摘要 | Let R be a ring and M a right R-module. M is called a cofinitely lifting module if for any cofinite submodule N of M, there exists a direct summand K of M such that K <= N and N/K << M/K. It is proved that every cofinite direct summand of a cofinitely lifting module is cofinitely lifting. For a cofinitely lifting module M and a fully invariant submodule N of M, we show that M/N is also cofinitely lifting. We prove that a duo module M - M(1) circle plus M(2) is cofinitely lifting if M(1) and M(2) are both cofinitely lifting. Let M = M(1) circle plus M(2) be an amply supplemented module. It is shown that if M(1) and M(2) are both cofinitely lifting and relatively cofinitely small projective and M(1) is cofinitely pseudo-M(2)-projective (or M(2) is cofinitely pseudo-M(1)-projective), then M is cofinitely lifting. |
关键词 | cofinite submodule cofinitely lifting module fully invariant submodule |
DOI | 10.1142/S1005386710000635 |
收录类别 | SCI ; SCIE |
语种 | 英语 |
WOS研究方向 | Mathematics |
WOS类目 | Mathematics, Applied ; Mathematics |
WOS记录号 | WOS:000282743500013 |
出版者 | WORLD SCIENTIFIC PUBL CO PTE LTD |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | https://ir.lut.edu.cn/handle/2XXMBERH/35174 |
专题 | 材料科学与工程学院 兰州理工大学 |
通讯作者 | Wang, Yongduo |
作者单位 | Lanzhou Univ Technol, Dept Appl Math, Lanzhou 730050, Peoples R China |
第一作者单位 | 材料科学与工程学院 |
通讯作者单位 | 材料科学与工程学院 |
第一作者的第一单位 | 材料科学与工程学院 |
推荐引用方式 GB/T 7714 | Wang, Yongduo,Wu, Dejun. On Cofinitely Lifting Modules[J]. ALGEBRA COLLOQUIUM,2010,17(4):659-666. |
APA | Wang, Yongduo,&Wu, Dejun.(2010).On Cofinitely Lifting Modules.ALGEBRA COLLOQUIUM,17(4),659-666. |
MLA | Wang, Yongduo,et al."On Cofinitely Lifting Modules".ALGEBRA COLLOQUIUM 17.4(2010):659-666. |
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