Some aspects of (ω

被引：3

作者：

Sikander, Fahad ^{[1
]}

Hasan, Ayazul ^{[2
]}

机构：

[1] Saudi Elect Univ, Coll Sci & Theoret Studies, Jeddah Branch, Jeddah, Saudi Arabia

[2] Jazan Univ, Coll Appl Ind Technol, Jazan, Saudi Arabia

来源：

AFRIKA MATEMATIKA | 2021年 / 32卷 / 5-6期

关键词：

QTAG-modules; (omega + 1)-Projective modules; Separable modules;

D O I：

10.1007/s13370-021-00879-5

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

In this paper, we prove that the (omega+1)-projective Sigma-modules are direct sums of countably generated modules each of which has length at most (omega+1). We also give an example that this is not true for all other (omega+k)-projectives with 2 <= k < omega. Certain related assertions are established as well. These results are then used to discuss the class of highly essentially finitely indecomposable modules.

引用

页码：1033 / 1041

页数：9

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