A note on the optimal boundary regularity for the planar generalized p-Poisson equation

In this note, we establish sharp regularity for solutions to the following generalized p-Poisson equation −div(〈A∇u,∇u〉p−22A∇u)=−divh+fin the plane (i.e. in R2) for p>2 in the presence of Dirichlet as well as Neumann boundary conditions and with h∈C1−2∕q, f∈Lq, 2