Regularity criteria in weak $L^3$ for 3D incompressible Navier-Stokes equations

Yuwen Luo, Tai-Peng Tsai

We study the regularity of a distributional solution $(u,p)$ of the 3D incompressible evolution Navier-Stokes equations. Let $B_r$ denote concentric balls in ${\mathbb{R}}^3$ with ra…