Viscosity solutions for Mckean-Vlasov control on a torus

Series
PDE Seminar
Time
Tuesday, March 5, 2024 - 2:00pm for 1 hour (actually 50 minutes)
Location
Online: https://gatech.zoom.us/j/95574359880?pwd=cGpCa3J1MFRkY0RUeU1xVFJRV0x3dz09
Speaker
Qinxin Yan – Princeton University – qy3953@princeton.eduhttps://www.pacm.princeton.edu/people/qinxin-yan
Organizer
Lukas Wessels

An optimal control problem in the space of probability measures, and the viscosity solutions of the corresponding dynamic programming equations defined using the intrinsic linear derivative are studied. The value function is shown to be Lipschitz continuous with respect to a novel smooth Fourier Wasserstein metric. A comparison result between the Lipschitz viscosity sub and super solutions of the dynamic programming equation is proved using this metric, characterizing the value function as the unique Lipschitz viscosity solution. This is joint work with Prof. H. Mete Soner.