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Free Subgroups of Units in Group Rings

Published online by Cambridge University Press:  20 November 2018

Jairo Zacarias Gonçalves*
Affiliation:
Instituto de Matemática e Estatística, Universidade De Sâo Paulo, Brasil
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Abstract

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In this paper we give necessary and sufficient conditions under which the group of units of a group ring of a finite group G over a field K does not contain a free subgroup of rank 2.

Some extensions of this results to infinite nilpotent and FC groups are also considered.

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1984

References

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