A NOTE ON THE COUNTABLE EXTENSIONS OF SEPARABLE p(omega+n) -PROJECTIVE ABELIAN p-GROUPS

被引：0
|
作者：
Danchev, Peter
机构：
来源：
ARCHIVUM MATHEMATICUM | 2006年 / 42卷 / 03期
关键词：
countable extensions; separable groups; p(omega+n)-projective groups;
D O I：
暂无
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
It is proved that if G is a pure p omega(+n) -projective subgroup of the separable abelian p-group A for n is an element of N boolean OR {0} such that \A/G\ <= No, then A is p(omega+n) -projective as well. This generalizes results due to Irwin-Snabb-Cutler (Comment. Math. Univ. St. Pauli, 1986) and the author (Arch. Math. (Brno), 2005).
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页码：251 / 254
页数：4
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