Group algebras whose involutory units commute

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Let K be a field of characteristic 2 and G a nonabelian locally finite 2-group. Let V(KG) be the group of units with augmentation 1 in the group algebra KG. An explicit list of groups is given, and it is proved that all involutions in V(KG) commute with each other if and only if G is isomorphic to one of the groups on this list. In particular, this property depends only on G and not at all on K.
15 pages, AMS-TeX

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Rings and Algebras, Group Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/59833

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0009003
 http://arxiv.org/abs/math/0009003

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arXiv