A Characterization of Group Rings as a Special Class of Hopf Algebras
- 1 June 1965
- journal article
- Published by Canadian Mathematical Society in Canadian Mathematical Bulletin
- Vol. 8 (4) , 465-475
- https://doi.org/10.4153/cmb-1965-033-5
Abstract
By a group ring we mean in this paper a ring defined by a finite group G and an integral domain K:such that A contains G and is freely generated by G over K, so thatThe ring A = KG has a co-multiplicationdefined byso that A is a Hopf algebra.Keywords
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