(1) Dept. of Mathematics, UC Berkeley, Berkeley, CA, 94720
Abstract:
A continuous function is said to be infinity harmonic if it satisfies the PDEin the viscosity sense. In this paper we prove that infinity harmonic functions are continuously differentiable when n=2.
is said to be 
infinity harmonic
if it satisfies the PDE
in the viscosity sense. In this paper we prove that infinity harmonic functions are continuously differentiable when n=2.