Speaker：Xuwen Chen (University of Rochester)

Time：2024-5-13, 10:00

Location：Conference Room 105 at Experiment Building at Haiyun Campus

Abstract:

We report the finding of the sharp separation of well/ill-posedness for the Boltzmann equation with cut-off using dispersive PDE techniques. The separation is unexpectedly 1/2-derivative above scaling and the illposedness is represented by forward in time norm deflation.