幂幺群上的Heisenberg幂等元
Heisenberg Idempotents on Unipotent Groups
摘要:
设G是正特征的代数闭域上的代数群,其中立连通分支是幂幺群.本文研究了辫状幺半范畴范畴D_G(G)中的一类闭幂等元,称之为Heisenberg幂等元.对于这样的幂等元e,我们证明了V.Drinfeld关于Hecke子范畴eD_G(G)的一些结果.特别地,我们将看到它是模范畴的有界导出范畴。
英文摘要:
Let G be an algebraic group over an algebraically closed field of positive characteristic such that its neutral connected component is a unipotent group. We consider a certain class of closed idempotents in the braided monoidal category (under convolution of complexes) D_G(G) known as Heisenberg idempotents. For such an idempotent e, we will prove certain results about the Hecke subcategory eD_G(G) conjectured by V. Drinfeld. In particular, we will see that it is the bounded derived category of a modular category.
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