Group Identities on Units and Symmetric Units of Group Rings

Download or Read eBook Group Identities on Units and Symmetric Units of Group Rings PDF written by Gregory T Lee and published by Springer Science & Business Media. This book was released on 2010-08-19 with total page 198 pages. Available in PDF, EPUB and Kindle.
Group Identities on Units and Symmetric Units of Group Rings
Author :
Publisher : Springer Science & Business Media
Total Pages : 198
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ISBN-10 : 9781849965040
ISBN-13 : 1849965048
Rating : 4/5 (40 Downloads)

Book Synopsis Group Identities on Units and Symmetric Units of Group Rings by : Gregory T Lee

Book excerpt: Let FG be the group ring of a group G over a field F. Write U(FG) for the group of units of FG. It is an important problem to determine the conditions under which U(FG) satisfies a group identity. In the mid 1990s, a conjecture of Hartley was verified, namely, if U(FG) satisfies a group identity, and G is torsion, then FG satisfies a polynomial identity. Necessary and sufficient conditions for U(FG) to satisfy a group identity soon followed. Since the late 1990s, many papers have been devoted to the study of the symmetric units; that is, those units u satisfying u* = u, where * is the involution on FG defined by sending each element of G to its inverse. The conditions under which these symmetric units satisfy a group identity have now been determined. This book presents these results for arbitrary group identities, as well as the conditions under which the unit group or the set of symmetric units satisfies several particular group identities of interest.


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