Projective semimodules

被引：1
|
作者：
Sokratova, O [1 ]
机构：
[1] Univ Tartu, EE-50409 Tartu, Estonia
[2] Univ Iowa, Iowa City, IA 52242 USA
来源：
ALGEBRA UNIVERSALIS | 2002年 / 48卷 / 04期
关键词：
semimodules over semirings; projectivity;
D O I：
10.1007/s000120200007
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this paper we represent a projective semimodule as a retract of a direct sum of its countably generated projective retracts with zero intersection. A characterization by means of congruences is also given.
引用
收藏
页码：389 / 398
页数：10
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