Existence of moduli spaces of pointed and unpointed G-covers

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Let AA be a complete discrete valuation ring with algebraically closed residue field, let D=Spec⁡AD=\operatorname{Spec}A, and let GG be a finite group. A GG-cover of DD is the finite cover associated with an étale GG-torsor over the punctured disk D∗D^*. A pointed GG-cover additionally specifies a connected component. Moduli-space conjecture for G-covers. There exist moduli spaces parameterizing isomorphism classes of pointed and unpointed GG-covers of DD, denoted by GCovPt⁡D\operatorname{GCovPt}D and GCov⁡D\operatorname{GCov}D, respectively. These spaces are intended to provide the parameter spaces used in motivic integration over wild stacks; their precise construction is left open.

References

Primary source

Takehiko Yasuda, “Toward motivic integration over wild Deligne-Mumford stacks”, arXiv:1302.2982 (2015).

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