EVENT DETAILS AND ABSTRACT

Title: Twist maps from elliptic fixed points
Speaker: John M. Alongi
Speaker Info: Northwestern University
Brief Description:
Special Note:
Abstract:

An area-preserving map of the plane with an elliptic fixed point and a linear part which is an irrational rotation is smoothly conjugate to a twist map and formally conjugate to a formal power series called the Birkhoff normal form.