Stacky abelianization of algebraic groups

被引：0
|
作者：
Masoud Kamgarpour
机构：
[1] University of British Columbia,Department of Mathematics
来源：
Transformation Groups | 2009年 / 14卷
关键词：
Abelian Group; Algebraic Group; Central Extension; Group Scheme; Monoidal Category;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We prove a conjecture of Drinfeld regarding restriction of central extensions of an algebraic group G to the commutator subgroup. As an application, we construct the “true commutator” of G. The quotient of G by the action of the true commutator is the universal commutative group stack to which G maps.
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页码：825 / 846
页数：21
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