应伟德体育伟德体育官方网站邀请,安徽师范大学数学公司高悦老师将于2025年10月28日(星期二)早晨进行在线学术报告,欢迎广大师生参加。
报告题目:Asymptotics of shortest filling closed geodesics
时 间:2025年10月28日(星期二)10:30
腾讯会议号:382-868-2051
会议密码:202510
报告摘要:We investigate the asymptotics of shortest filling closed multi-geodesics of closed hyperbolic surfaces as systole $\to 0$ or as genus $\to \infty$. We first show that for a closed hyperbolic surface $X_g$ of genus $g$, the length of a shortest filling closed multi-geodesic of $X_g$ is uniformly comparable to
$$ \left(g+\sum\limits_{\textit{closed geodesic }\gamma\subset X_g, \ \ell(\gamma)<1}\log \left(\frac{1}{\ell(\gamma)}\right)\right). $$
As an application, we show that as $g\to \infty$, a Weil-Petersson random hyperbolic surface has a shortest closed multi-geodesic of length uniformly comparable to $g$. We also show that this is true for a random hyperbolic surface in the Brooks-Makover model. This is a joint work with Yunhui Wu and Zhongzi Wang.
报告人简介
高悦,安徽师范大学伟德体育伟德体育官方网站教师。2012年本科毕业于安徽大学,2020年博士毕业于北京大学。2020-2022年在北京国际数学研究中心做博士后。研究方向是低维拓扑,特别是双曲曲面的最短测地线。
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