Seminar Event Detail

Student Dynamics/Geometry Topology

Date:  Thursday, October 07, 2021
Location:  3866 East Hall (5:30 PM to 6:30 PM)

Title:  Circle Homeomorphisms

Abstract:   We will talk about rotation numbers and what a rational or irrational rotation number tells you about circle homeomorphisms. We will discuss a theorem of Poincare about when these homeomorphisms are (semi-)conjugate to a rotation as well as a counterexample by Denjoy.


Speaker:  Christopher Zhang
Institution:  University of Michigan

Event Organizer:     


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