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Exploring moduli spaces in complex dynamics

Sarah Koch 10.30.19
Wednesday, October 30, 2019
3:15 pm - 4:15 pm
Sarah Koch (University of Michigan)
Math Colloquium Series

A major goal in complex dynamics is to understand "dynamical moduli spaces"; that is, conformal conjugacy classes of holomorphic dynamical systems. One of the great successes in this regard is the study of the moduli space of quadratic polynomials; it is isomorphic to C. This moduli space contains the famous Mandelbrot set, which has been extensively studied over the past 40 years. Understanding other dynamical moduli spaces to the same extent tends to be more challenging as they are often higher-dimensional. In this talk, we will begin with an overview of complex dynamics, focusing on the moduli space of quadratic rational maps, which is isomorphic to C2. We will explore this space, finding many interesting objects along the way. Note: special tea at 2:45.