Speaker：Chengjie Yu（Shantou University）

Time：2021-11-11 14:00

Location：Tencent Meeting ID：223 995 197（No Password）

Abstract:

In this talk, we will present our recent work extending Gang Liu's three circle theorem which is an extension of Hadamard's classical theorem, and give some applications. This is a joint work with Chuangyuan Zhang.