… gradient estimates for solutions of non-linear, nonhomogeneous elliptic equations, via usual
linear Riesz potentials, exactly as it happens for the Poisson equation via representation …

… We prove new potential and nonlinear potential pointwise gradient estimates for solutions to
… In the case p > 2 we prove a new gradient estimate employing nonlinear potentials of Wolff …

… Riesz potential in order to derive regularity results for gradient of … potential estimates for
the spatial gradient of solutions in terms of P F r that in turn allow to obtain optimal gradient …

… The second aim this paper is then to shown that gradient pointwise estimates via non-
linear potentials … 3 we prove a few estimates clarifying the relationships between the non-liner …

… -linear potential theoretic analog of classical potential theory … tions via Riesz potentials, in
turn yielding optimal local estimates … In fact we also derive sharp estimates in Lorentz spaces, …

… We conclude with the zero order potential estimate, which applies to general equations of
the type (3.1) when considered with a measurable dependence upon the coefficients (x, t). The …

… These regularity estimates can be considered to be … the gradient potential estimate we
prove yields precise control of the size of ∇u in terms of the data, leading to sharp estimates in …

… 3 Gradient estimates via a classical approach This section contains a pde approach to
gradient estimates for potentials of C1 gradient-diffeomorphisms on the sphere equipped with a …

… for estimating gradients, which are central to gradient-based … on the direct gradient estimation
techniques of perturbation … Recent work on quantile sensitivity estimation is summarized…

… estimate of the function value; instead of calling for the gradient, we ask for an estimate of the
gradient; … will ask for an estimate of the Hessian; all these estimates are random variables. …