Dini estimates for nonlocal fully nonlinear elliptic equations
Hong Zhang, Hongjie Dong · Annales de l Institut Henri Poincaré C Analyse Non Linéaire · 2017
We obtain Dini type estimates for a class of concave fully nonlinear nonlocal elliptic equations of order \sigma \in (0,2) with rough and non-symmetric kernels. The proof is based on a novel application of Campanato's approach and a refined C^{\sigma + \alpha } estimate in [9].