Palavra-chave: FREE BOUNDARY PROBLEMS

INFINITY LAPLACIAN OPERATOR REGULARITY OF SOLUTIONS NON-ISOTROPIC TWO-PHASE PROBLEMS PARABOLIC PDES REGULARITY THEORY FOR ELLIPTIC EQUATIONS FULLY NONLINEAR DEGENERATE/SINGULAR EQUATIONS SINGULAR PDES REGULARITY ISSUES IN ELLIPTIC EQUATIONS DEGENERATE EQUATIONS WAVELETS GEOMETRIC REGULARITY ESTIMATES GALERKIN METHOD