11/20/2006

Alexander Kiselev
University of Wisconsin

Global well-posedness for the critical 2D dissipative surface
quasi-geostrophic equation

We give an elementary proof of the global well-posedness for the critical 2D dissipative surface quasi-geostrophic equation. The argument is based on a non-local maximum principle involving appropriate moduli of continuity. This is a joint work with Fedor Nazarov and Alexander Volberg.