Zhenghui Li

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20242026

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math.AG2025

F-isocrystals of Higher Direct Images of $p$ -Divisible Groups

Zhenghui Li, Yanshuai Qin

For a $p$ -divisible group $G$ over a smooth projective variety $X$ over $k$ , where $k$ is a field finitely generated over a perfect field of characteristic $p$ , we show that the fo…

math.AG2024

On p-torsions of geometric Brauer groups

Zhenghui Li, Yanshuai Qin, with an appendix by Veronika Ertl

Let $X$ be a smooth projective integral variety over a finitely generated field $k$ of characteristic $p > 0$ . We show that the finiteness of the exponent of the $p$ -primary part of…

F-isocrystals of Higher Direct Images of p-Divisible Groups

On p-torsions of geometric Brauer groups

F-isocrystals of Higher Direct Images of $p$ -Divisible Groups