提升到特性0的障碍

IF 1.2 1区数学 Q1 MATHEMATICS

Algebraic Geometry Pub Date : 2021-06-15 DOI:10.14231/ag-2023-011

H. Esnault, V. Srinivas, J. Stix

引用次数: 2

摘要

我们引入了特征$p> $到特征$0$的光滑适当品种提升的新障碍。它是基于Grothendieck的专门化同态和由此得到的基本群的离散有限性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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An obstruction to lifting to characteristic 0

We introduce a new obstruction to lifting smooth proper varieties in characteristic $p>0$ to characteristic $0$. It is based on Grothendieck's specialization homomorphism and the resulting discrete finiteness properties of \'etale fundamental groups.

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来源期刊

Algebraic Geometry Mathematics-Geometry and Topology

CiteScore

2.40

自引率

0.00%

发文量

审稿时长

52 weeks

期刊介绍： This journal is an open access journal owned by the Foundation Compositio Mathematica. The purpose of the journal is to publish first-class research papers in algebraic geometry and related fields. All contributions are required to meet high standards of quality and originality and are carefully screened by experts in the field.