On free groups in the unit group of integral group rings
DOI:
https://doi.org/10.11606/resimeusp.v2i3.74817Keywords:
Unit groups, Group ringsAbstract
We present a short history of the following problem: Classify the finite groups G, so that the group of units of the integral group ring Z G contains a subgroup of finite index isomorphic to a direct product of nonabelian free groups.
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On free groups in the unit group of integral group rings. (2014). Resenhas Do Instituto De Matemática E Estatística Da Universidade De São Paulo, 2(3), 309-312. https://doi.org/10.11606/resimeusp.v2i3.74817