栈态射的“概型论像”
数论
2020-10-26 v7 代数几何
摘要
我们给出从代数栈到(不一定是代数的)栈的某些态射容许(恰当定义的)概型论像的判据。我们应用这些判据证明某些局部 Galois 表示的天然模栈是代数(或 Ind-代数)栈。
引用
@article{arxiv.1506.06146,
title = {"Scheme-theoretic images" of morphisms of stacks},
author = {Matthew Emerton and Toby Gee},
journal= {arXiv preprint arXiv:1506.06146},
year = {2020}
}
备注
137 pages; final version although not incorporating minor edits made in proof, appeared as Algebraic Geometry 8 (1) (2021) 1--132