A remark on the rank of finite p-groups of birational automorphisms

2019/12/23 by Jinsong Xu, Xu, Jinsong
Mathematics · #Advanced Algebra and Geometry #Advanced Differential Equations and Dynamical Systems #Algebraic Geometry (math.AG) #Algebraic Geometry and Number Theory #FOS: Mathematics #Group Theory (math.GR)

paper · pdf · doi:10.48550/arxiv.1912.10865

openalex publication_date 2019/12/23 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We improve a result of Prokhorov and Shramov on the rank of finite p-subgroups of the birational automorphism group of a rationally connected variety. Known examples show that they are sharp in many cases.

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