2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/66542These notes deal with metric spaces, Hausdorff measures and dimensions, Lipschitz mappings, and related topics. The reader is assumed to have some familiarity with basic analysis, which is also reviewed.Latex-2e. 111 pages with index. Some additionsClassical Analysis and ODEstext