Ubiquity of free subgroups
Necessary and sufficient conditions are given for a Polish topological group to be 'almost free'. It is deduced that the existence of one free subgroup of a Polish group can lead to the existence of many free subgroups of maximal rank. Applications are given to permutation groups, profinit...
| Main Authors: | , |
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| 格式: | Journal article |
| 语言: | English |
| 出版: |
2003
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