arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2008.04794math.RT
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闭路空间上的等变层

Equivariant sheaves on loop spaces

Sergey Arkhipov, Sebastian Ørsted

摘要:

设$X$是$\mathbb{C}$上的一个仿射光滑Noether格式,作用于一个仿射代数群$G$ .应用Arkhipov和Prrsted(2018 a,2018 b)中开发的技术,我们定义了微分形式$Ω_X$的dg-代数上dg-模的导出范畴的dg-模型,该微分形式$Ω_X$关于导出群方案$(G ,Ω_G )$的作用是$X$等变的。我们将得到的dg-范畴与Arkhipov和Kanstrup(2015)中考虑的dg-范畴进行了比较,这些dg-范畴是由相干层在$T^* X$的导出的哈密顿约化上给出的。

英文摘要:

Let $X$ be an affine, smooth, and Noetherian scheme over $\mathbb{C}$ acted on by an affine algebraic group $G$. Applying the technique developed in Arkhipov and Ørsted (2018a, 2018b), we define a dg-model for the derived category of dg-modules over the dg-algebra of differential forms $Ω_X$ on $X$ equivariant with respect to the action of a derived group scheme $(G ,Ω_G )$. We compare the obtained dg-category with the one considered in Arkhipov and Kanstrup (2015) given by coherent sheaves on the derived Hamiltonian reduction of $T^* X$.

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