Published Paper

Inserted: 2 sep 2014
Last Updated: 24 may 2017

Journal: Comm. Partial Differential Equations
Volume: 40
Pages: 1543–1557
Year: 2015
Links: PDF

Abstract:

We prove that any $2$-dimensional solution $\psi\in W_{loc}^{1+\frac 1 3, 3}$ of the eikonal equation has locally Lipschitz gradient $\nabla \psi$ except at a locally finite number of vortices.