时间：2025.07.09  16：00-18：00

地点：数统楼201报告厅

Title: On the functorial behavior of Ekedahl-Oort strata for unitary and orthogonal Shimura Varieties

Abstract:

The Ekedahl-Oort stratification of moduli spaces of abelian varieties in characteristic $p$ is defined by isomorphism classes of their $p$-kernels. This stratification naturally extends to more general Shimura varieties. For good reductions of unitary and orthogonal Shimura varieties, these strata often admit an elementary parametrization; in ambient cases, for example, by $\{1, 2, \ldots, n\}$, with each number $i$ representing an $i$-dimensional EO stratum. In this talk, I will report some numerical results on the functorial behavior of these strata under  the Kudla embedding. This is joint work with Chao Zhang.

情况简历：闫旗军，毕业于莱顿大学和米兰大学（联合）。研究领域为数论和算术几何。现北京雁栖湖应用数学研究院（BIMSA) 

博后。