On local categories of finite groups

On local categories of finite groups
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DOI:
10.1007/s00209-011-0971-y
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发表时间:
2012-12
影响因子:
0.8
通讯作者:
Fei Xu
Fei Xu
中科院分区:
数学2区
文献类型:
--
作者:
Fei Xu

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设G是有限群.在任何有限G-适定性上,我们可以定义一个转运子范畴作为相应的Grothendieck构造。运输范畴是G的子群的推广,我们将证明它们的上同调的有限生成。我们记录了一个广义的Frobenius互易性,并用它来检查一些重要的商类别的运输类别,习惯上称为本地类别。
LetGbe a finite group. Over any finiteG-posetwe may define a transporter category as the corresponding Grothendieck construction. Transporter categories are generalizations of subgroups ofG, and we shall demonstrate the finite generation of their cohomology. We record a generalized Frobenius reciprocity and use it to examine some important quotient categories of transporter categories, customarily called local categories.