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Induction formulae for Mackey functors with applications to representations of the twisted quantum double of a finite group

机译:Mackey函子的归纳公式及其在有限群扭曲量子对偶表示中的应用

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In the theory of canonical induction formulae for Mackey functors, Boltje [4] demonstrated that the plus constructions, together with the mark morphism, are useful for the study of canonical versions of induction theorems analogous to those in representation theory of finite groups. In this paper, we present a short exact sequence for the plus constructions derived from Cauchy-Frobenius lemma, and apply it to the proof of Boltje's integrality result for canonical induction formulae. The methods appearing in Boltje's theory, combined with the Dress construction for Mackey functors, are applicable to induction theorems on representations of the twisted quantum double of a finite group. As a sequel to such a research, we describe canonical versions of two induction theorems whose origins are Artin's induction theorem and Brauer's induction theorem on C-characters of a finite group.
机译:在Mackey函子的规范归纳公式的理论中,Boltje [4]证明正构造以及标记同态性对类似于有限群表示理论的归纳定理的规范版本很有用。在本文中,我们给出了从柯西-弗罗贝尼乌斯引理得到的正构式的一个短精确序列,并将其用于证明经典归纳公式的博尔特耶积分结果。 Boltje理论中出现的方法,与Mackey函子的Dress结构相结合,适用于有限群扭曲量子对偶表示的归纳定理。作为此类研究的续篇,我们描述了两个归纳定理的规范版本,其起源是有限群C特征上的Artin归纳定理和Brauer归纳定理。

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