2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/75584We prove that singular vectors have measure zero with respect to any friendly measure on $\Bbb R^n$ (e.g. the volume measure on a nondegenerate submanifold). This generalizes special cases considered by Davenport-Schmidt, Baker and Bugeaud. The main tool is quantitative nondivergence estimates for quasi-polynomial flows on homogeneous spaces.LaTeX, 15 pagesNumber TheoryDynamical Systems11J83; 37A13text