Finitary power semigroups of infinite groups are not finitely generated

被引:3
|
作者
Gallagher, P [1 ]
Ruskuc, N [1 ]
机构
[1] Univ St Andrews, Math Inst, St Andrews KY16 9SS, Fife, Scotland
基金
英国工程与自然科学研究理事会;
关键词
D O I
10.1112/S0024609304004175
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
For a sernigroup S, the finitary power semigroup of S, denoted P-f (S), consists of all finite subsets of S under the usual multiplication. The main result of this paper asserts that Pf (G) is not finitely generated for any infinite group G.
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页码:386 / 390
页数:5
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