Speaker：Guoliang Wang（Beijing Institute of Technology）

Time：2022-09-28, 15:00

Location：Tencent Meeting ID：947-841-4036（Passward:260172）

Abstract:

The 3+1 conjecture on the e-positivity of chromatic symmetric functions of certain graphs has been considered as one of the most interesting conjectures in algebraic combina-torics since its birth in 1993. This talk is a short introduction to some leading problems and breakthroughs around.