2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/114218A set in d dimensional Euclidean space with d larger than 2 having Hausdorff dimension at least d/2 must have distance set with Hausdorff dimension strictly greater than 1/2.15 pagesClassical Analysis and ODEsCombinatorics05B99,28A75,28A78On Sums, Products, and the multidimensional Falconer problemtext