2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/103877We present a method to derive local estimates for some classes of fully nonlinear elliptic equations. The advantage of our method is that we derive Hessian estimates directly from $C^0$ estimates. Also, the method is flexible and can be applied to a large class of equations.19 pagesAnalysis of PDEsDifferential Geometrytext