2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/112796We quantify the generation of free subgroups of surface mapping class groups by pseudo-Anosov mapping classes in terms of their translation distance and the distance between their axes. Our methods make reference to \teichmuller space only.13 pages, 0 figuresGroup TheoryGeneral Topology20F65 (primary), 57M50 (secondary)text