On the Motivic Class of the Moduli Stack of Twisted G-Covers

被引：0

作者：

Bagnarol, Massimo ^{[1
]}

Perroni, Fabio ^{[2
]}

机构：

[1] Univ Trieste, Dipartimento Ingn & Architettura, via Valerio 6-1, I-34127 Trieste, Italy

[2] Univ Trieste, Dipartimento Matemat & Geosci, via Valerio 12-1, I-34127 Trieste, Italy

来源：

SYMMETRY INTEGRABILITY AND GEOMETRY-METHODS AND APPLICATIONS | 2023年 / 19卷

关键词：

moduli spaces of covers; Grothendieck group of stacks; GROMOV-WITTEN THEORY; CURVES; SPACE; COMPONENTS; GEOMETRY;

D O I：

10.3842/SIGMA.2023.107

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We describe the class, in the Grothendieck group of stacks, of the stack of twisted G-covers of genus 0 curves, in terms of the loci corresponding to covers over smooth bases.

引用

页数：31

共 31 条

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[30] The Harder–Narasimhan stratification of the moduli stack of G\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$G$$\end{document}-bundles via Drinfeld’s compactifications
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