Group actions and irrationality in surface families

Fuente: arXiv
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Main Authors: Chen, Nathan, Esser, Louis
Format: Preprint
Published: 2024
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author Chen, Nathan
Esser, Louis
author_facet Chen, Nathan
Esser, Louis
contents Rationality specializes in families of surfaces, even with mild singularities. In this paper, we study the analogous question for the degree of irrationality. We prove a specialization result when the degree of irrationality on the generic fiber arises from the quotient by a group action.
format Preprint
id arxiv_https___arxiv_org_abs_2410_18427
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Group actions and irrationality in surface families
Chen, Nathan
Esser, Louis
Algebraic Geometry
14E05, 14L30
Rationality specializes in families of surfaces, even with mild singularities. In this paper, we study the analogous question for the degree of irrationality. We prove a specialization result when the degree of irrationality on the generic fiber arises from the quotient by a group action.
title Group actions and irrationality in surface families
topic Algebraic Geometry
14E05, 14L30
url https://arxiv.org/abs/2410.18427