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Summary:

Featuring USC alumnus Vlad Vicol, now an assistant professor of mathematics at Princeton University.

Description:

Vlad Vicol, Princeton University

Abstract: We discuss recent results on the behavior in the infinite Reynolds number limit of invariant measures for the 2D stochastic Navier-Stokes equations. We prove that the limiting measures are supported on bounded vorticity solutions of the 2D Euler equations. Invariant measures provide a canonical object which can be used to link the fluids equations to the heuristic statistical theories of turbulent flow.  Motivated by 2D turbulence considerations we are lead to consider the problem of well-posedness for the stochastic 2D Euler equations. This is joint work with Nathan Glatt-Holtz and Vladimir Sverak.