Antisymmetric Elements in Group Rings Ii

نویسندگان

  • O. Broche
  • E. Jespers
  • C. Polcino Milies
  • M. Ruiz
چکیده

Let R be a commutative ring, G a group and RG its group ring. Let φ : RG → RG denote the R-linear extension of an involution φ defined on G. An element x in RG is said to be φantisymmetric if φ(x) = −x. A characterization is given of when the φ-antisymmetric elements of RG commute. This is a completion of earlier work. keywords: Involution; group ring; antisymmetric elements. keywords: 2000 Mathematics Subject Classification: 16S34, 16W10, 20C07.

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تاریخ انتشار 2008