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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Free products of abelian groups in the unit group of integral group rings
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by Eric Jespers and Guilherme Leal PDF
Proc. Amer. Math. Soc. 126 (1998), 1257-1265 Request permission

Abstract:

We classify finite groups $G$ which are such that the unit group of the integral group ring $\mathbf {Z}G$ has a subgroup of finite index which is a non-trivial free product of abelian groups.
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Additional Information
  • Eric Jespers
  • Affiliation: Department of Mathematics and Statistics, Memorial University of Newfoundland, St. John’s, Newfoundland, Canada A1C 5S7
  • MR Author ID: 94560
  • Email: ejespers@albert.math.mun.ca
  • Guilherme Leal
  • Affiliation: Instituto de Matemática, Universidade Federal do Rio de Janeiro, Rio de Janeiro RJ, Brazil
  • Email: gleal@mat.dme.ufrj.br
  • Received by editor(s): October 7, 1996
  • Additional Notes: The first named author is supported in part by NSERC grant OGP0036631, Canada.
    The second named author, partially supported by CNPq, Brazil, wishes to thank the Memorial University of Newfoundland for its support and friendly atmosphere.
  • Communicated by: Ronald M. Solomon
  • © Copyright 1998 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 126 (1998), 1257-1265
  • MSC (1991): Primary 16U60, 16S34
  • DOI: https://doi.org/10.1090/S0002-9939-98-04340-8
  • MathSciNet review: 1451810