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Free subgroups in division rings generated by group rings of soluble groups

Department of Mathematics, University of São Paulo, São Paulo, 05508-090, Brazil

and

Department of Mathematics, University of Wisconsin-Parkside, Kenosha, WI 53144, USA

Abstract

We study free subgroups in the multiplicative group of division rings generated by group rings of some classes of soluble groups.

Keywords:

AMSC: 16K40, 20E05, 12E15

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