MULTIPLICATIVE SUBGROUPS OF FINITE INDEX IN A RING

被引：19
作者：
BERGELSON, V
SHAPIRO, DB
机构：
来源：
PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY | 1992年 / 116卷 / 04期
关键词：
D O I：
10.2307/2159464
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
If G is a subgroup of finite index in the multiplicative group of an infinite field K then G - G = K . Similar results hold for various rings.
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页码：885 / 896
页数：12
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