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William Minicozzi (MIT), PDE Minischool

April 12 @ 4:00 pm - 5:00 pm

Title Lecture 1: Geometric heat equations

Abstract:  The classical heat equation describes how a temperature distribution changes in time.  Over time, the temperature spreads itself out more and more evenly and, as time goes to infinity, the temperature goes to a steady-state equilibrium.  There are a number of geometric heat equations, where some geometric quantity evolves over time and – in the best case – approaches an equilibrium.  A simple example is the curve shortening flow where a curve in the plane evolves to minimize its length, but other examples include the Ricci flow and the mean curvature flow.  All of these flows behave like the classical heat equation for a short amount of time, but they are nonlinear and these nonlinearities dominate over longer time intervals leading to many new phenomena.



April 12
4:00 pm - 5:00 pm
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Phillips 381