A two-step approach to Chow quotients

Fuente: arXiv
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Main Authors: Conde, Luis E. Solá, Occhetta, Gianluca
Format: Preprint
Published: 2026
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author Conde, Luis E. Solá
Occhetta, Gianluca
author_facet Conde, Luis E. Solá
Occhetta, Gianluca
contents The Chow quotient of a projective variety by the action of a complex torus is known to have a very complicated geometry, even in the case of simple varieties, such as rational homogeneous varieties. In this paper we propose an approach in which the geometry of the Chow quotient is encoded in a projective toric variety and a finite subgroup of its birational automorphisms. We then illustrate how to apply our strategy in the case of some particular rational homogeneous varieties.
format Preprint
id arxiv_https___arxiv_org_abs_2605_05943
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle A two-step approach to Chow quotients
Conde, Luis E. Solá
Occhetta, Gianluca
Algebraic Geometry
Primary 14L30, 14E30, Secondary 14L24, 14M17
The Chow quotient of a projective variety by the action of a complex torus is known to have a very complicated geometry, even in the case of simple varieties, such as rational homogeneous varieties. In this paper we propose an approach in which the geometry of the Chow quotient is encoded in a projective toric variety and a finite subgroup of its birational automorphisms. We then illustrate how to apply our strategy in the case of some particular rational homogeneous varieties.
title A two-step approach to Chow quotients
topic Algebraic Geometry
Primary 14L30, 14E30, Secondary 14L24, 14M17
url https://arxiv.org/abs/2605.05943