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CNA Seminar/Colloquium/Joint Pitt-CNA Colloquium
Hayden Schaeffer
California Institute of Technology
Title: Compressive Sensing and Nonlinear PDE

Abstract: I will talk about two numerical methods for accelerating the convergence of the fixed point method associated with a nonlinear and/or degenerate elliptic partial differential equation. The first method is linearly stable, while the second is provably convergent in the viscosity solution sense. In practice, the methods converge at a root complexity vs. the standard fixed point method. Numerical examples are shown for Isaacs' equation, Pucci's equations, the Monge-Ampere equation, and the infinity Laplacian.

Date: Tuesday, October 21, 2014
Time: 1:30 pm
Location: Wean Hall 7218
Submitted by:  David Kinderlehrer