Dynamics Seminar

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During the Fall 2023 semester, RTG / Group Actions and Dynamics seminar meets in room Van Vleck B235 on Mondays from 2:25pm - 3:15pm. To sign up for the mailing list send an email from your wisc.edu address to dynamics+join@g-groups.wisc.edu. For more information, contact Paul Apisa, Marissa Loving, Caglar Uyanik, Chenxi Wu or Andy Zimmer.



Fall 2023

date speaker title host(s)
September 11 Vaibhav Gadre (Glasgow) TBA Apisa
September 18 Becky Eastham (UW Madison) TBA local
September 25 Brandis Whitfield (Temple) TBA Loving
October 2 Hanh Vo (Arizona State) TBA Dymarz
October 9 Yandi Wu (UW Madison) TBA local
October 16 Sanghoon Kwak (Utah) Mapping class groups of Infinite graphs — “Big Out(Fn)” Loving
October 23 Sara Maloni (UVA) TBA Uyanik
October 30 Giulio Tiozzo (Toronto) TBA Uyanik
November 6 Emily Stark (Wesleyan) TBA Uyanik
November 13 Hongming Nie (Stony Brook) TBA Wu
November 20 Rose Morris-Wright (Middlebury) TBA Dymarz
November 27
December 4
December 11

Fall Abstracts

Vaibhav Gadre

Becky Eastham

Brandis Whitfield

Hanh Vo

Yandi Wu

Sanghoon Kwak

Surfaces and graphs are closely related; there are many parallels between the mapping class groups of finite-type surfaces and finite graphs, where the mapping class group of a finite graph is the outer automorphism group of a free group of (finite) rank. A recent surge of interest in infinite-type surfaces and their mapping class groups begs a natural question: What is the mapping class group of an “infinite” graph? In this talk, I will explain the answer given by Algom-Kfir and Bestvina and present recent work, joint with George Domat (Rice University), and Hannah Hoganson (University of Maryland), on the coarse geometry of such groups.

Sara Maloni

Giulio Tiozzo

Emily Stark

Hongming Nie

Rose Morris-Wright

Archive of past Dynamics seminars

2022-2023 Dynamics_Seminar_2022-2023

2021-2022 Dynamics_Seminar_2021-2022

2020-2021 Dynamics_Seminar_2020-2021