Graded quantum groups and quasitriangular Hopf group-coalgebras

被引:22
作者
Virelizier, A [1 ]
机构
[1] Max Planck Inst Math, D-53111 Bonn, Germany
关键词
drinfeld double; graded quantum groups; Hopf algebra automorphisms; quasitriangular Hopf group-coalgebras;
D O I
10.1081/AGB-200066110
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Starting from a Hopf algebra endowed with an action of a group pi by Hopf automorphisms, we construct (by a "twisted" double method) a quasitriangular Hopf pi-coalgebra. This method allows us to obtain non-trivial examples of quasitriangular Hopf pi-coalgebras for any finite group pi and for infinite groups pi such as GL(n)(k). In particular, we define the graded quantum groups, which are Hopf pi-coalgebras for pi = C[[h]](l) and generalize the Drinfeld-Jimbo quantum enveloping algebras.
引用
收藏
页码:3029 / 3050
页数:22
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