Profinite groups with many commuting pairs or involutions

被引:0
|
作者
L. Lévai
L. Pyber
机构
[1] Alfrèd Rènyi Institute of Mathematics,
[2] Hungarian Academy of Sciences,undefined
[3] P.O.B. 127,undefined
[4] H-1364 Budapest,undefined
[5] Hungary,undefined
来源
Archiv der Mathematik | 2000年 / 75卷
关键词
Open Subset; Positive Measure; Haar Measure; Nonempty Open Subset; Profinite Group;
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中图分类号
学科分类号
摘要
We prove that if the set of commuting pairs of a profinite group G has positive Haar measure then G is abelian by finite. Using this we show that the set I of involutions has positive measure exactly if I contains a nonempty open subset of G.
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页码:1 / 7
页数:6
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