Tropicalization is a non-Archimedean analytic stack quotient

Tropicalization is a non-Archimedean analytic stack quotient
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热带化是一种非阿基米德解析栈商

DOI:
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发表时间:
2014
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通讯作者:
Martin Ulirsch
Martin Ulirsch
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作者:
Martin Ulirsch

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对于复环变量$X$,对数绝对值引起$X$在其非负点集合上的自然缩回,这种缩回可以用它的大实环面$X(\mathbb{C})$的商来标识。我们在非阿基米德世界中证明了一个类似的结果:Kajiwara-Payne热带化映射是$X^{an}$的一个非阿基米德解析叠商,它的大仿射环面。在此过程中,我们为非阿基米德解析堆的几何理论提供了基础,特别关注解析群和它们的商,分析过程,以及解析堆的底层拓扑空间。
For a complex toric variety $X$ the logarithmic absolute value induces a natural retraction of $X$ onto the set of its non-negative points and this retraction can be identified with a quotient of $X(\mathbb{C})$ by its big real torus. We prove an analogous result in the non-Archimedean world: The Kajiwara-Payne tropicalization map is a non-Archimedean analytic stack quotient of $X^{an}$ by its big affinoid torus. Along the way, we provide foundations for a geometric theory of non-Archimedean analytic stacks, particularly focussing on analytic groupoids and their quotients, the process of analytification, and the underlying topological spaces of analytic stacks.
稳定对数映射空间的有界性
DOI: 10.4171/jems/728
发表时间: 2017
影响因子: 2.6
作者:
Abramovich, Dan;Chen, Qile;Marcus, Steffen;Wise, Jonathan
通讯作者: Wise, Jonathan
对数结构的骨架和扇形
DOI: 10.1007/978-3-319-30945-3
发表时间: 2016
期刊: Nonarchimedean and Tropical Geometry
影响因子: --
作者:
Abramovich, Dan;Chen, Qile;Marcus, Steffen;Ulirsch, Martin;Wise, Jonathan
通讯作者: Wise, Jonathan