Global regularity for a logarithmically supercritical defocusing nonlinear wave equation for spherically symmetric data
Abstract
Description
We establish global regularity for the logarithmically energy-supercritical wave equation $\Box u = u^5 \log(2+u^2)$ in three spatial dimensions for spherically symmetric initial data, by modifying an argument of Ginibre, Soffer and Velo \cite{gsv} for the energy-critical equation. This example demonstrates that critical regularity arguments can penetrate very slightly into the supercritical regime.
6 pages, no figures. Submitted, J. Hyperbolic Diff. Eq
6 pages, no figures. Submitted, J. Hyperbolic Diff. Eq