Boundary differentiability for inhomogeneous infinity Laplace equations
Electronic journal of differential equations, Tome 2014 (2014)
We study the boundary regularity of the solutions to inhomogeneous infinity Laplace equations. We prove that if $u\in C(\bar{\Omega})$ is a viscosity solution to $\Delta_{\infty}u:=\sum_{i,j=1}^n u_{x_i}u_{x_j}u_{x_ix_j}=f$ with $f\in C(\Omega)\cap L^{\infty}(\Omega)$ and for $x_0\in \partial\Omega$ both $\partial\Omega$ and $g:=u|_{\partial\Omega}$ are differentiable at $x_0$, then u is differentiable at $x_0$.
Classification :
35J25, 35J70, 49N60
Keywords: boundary regularity, infinity Laplacian, comparison principle, monotonicity
Keywords: boundary regularity, infinity Laplacian, comparison principle, monotonicity
@article{EJDE_2014__2014__a183,
author = {Hong, Guanghao},
title = {Boundary differentiability for inhomogeneous infinity {Laplace} equations},
journal = {Electronic journal of differential equations},
year = {2014},
volume = {2014},
zbl = {1291.35092},
language = {en},
url = {http://geodesic.mathdoc.fr/item/EJDE_2014__2014__a183/}
}
Hong, Guanghao. Boundary differentiability for inhomogeneous infinity Laplace equations. Electronic journal of differential equations, Tome 2014 (2014). http://geodesic.mathdoc.fr/item/EJDE_2014__2014__a183/