Yu-Wei Fan

University of California, Berkeley
Scientific, Seminar
UBC Algebraic Geometry Seminar: Yu-Wei Fan
February 8, 2021
Online
Moduli spaces of points on n-spheres carry natural actions of braid groups. For n=0,1, and 3, we prove that these symmetries extend to actions of mapping class groups of positive genus surfaces, through exceptional isomorphisms with certain character...