Automorphisms of B_n via Total Symmetry

Series
Geometry Topology Student Seminar
Time
Wednesday, October 27, 2021 - 2:00pm for 1 hour (actually 50 minutes)
Location
Skiles 006 (also in BlueJeans)
Speaker
Noah Caplinger – Georgia Tech
Organizer
Roberta Shapiro and Weizhe Shen

Please Note: BlueJeans link: https://bluejeans.com/208969592/1051

In this talk, I will present a proof of Dyer-Grossman's description of Aut(B_n) inspired by Kordek-Margalit's work classifying homomorphisms B_n' to B_n. Time permitting, I will also discuss how these techniques can be used to classify homomorphisms B_n to B_m.