Title: A Journey Through the World of Groupoids
Speaker: Santiago Cañez
Speaker Info: Northwestern University
Brief Description:
Special Note: Attendance limited to Causeway participants, organizers, and guests.
Abstract:
Groupoids are objects which put the notions of “group” and “space” on an equal footing, and provide a very general way of studying symmetries and quotients. We’ll take a tour through the basics of the theory of groupoids, and how I came to love and appreciate them. Along the way you’ll hear about mediocre grades, bad and good teachers, and the problem of determining how many finite sets there *really* are. (Spoiler alert: the answer, of course, is e.)Date: Monday, October 11, 2021