中科院数学与系统科学研究院

数学研究所

学术报告

拓扑研讨班

报告人：程志云（北京师范大学）

题  目：Partial-dual genus polynomial and its categorification

时  间：2024.05.08（星期三）10:00-11:00

地  点：数学院南楼N802

摘  要：The partial-dual genus polynomial of a ribbon graph is the generating function that enumerates all partial duals of the ribbon graph. In this talk, I will give a quick introduction to this polynomial and discuss the categorification of it. This is a joint work with Ziyi Lei.

报告人简介：程志云，北京师范大学数学科学学院副教授，主要研究兴趣为低维拓扑，纽结理论。