2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63377We give an up-to-date overview of the known results on the bicanonical map of surfaces of general type with $p_g=0$ and $K^2\ge 2$.LaTeX2e, 12 pages. To appear in the Proceedings of the Conference in memory of Paolo Francia, Genova, september 2001Algebraic Geometry14J29A survey on the bicanonical map of surfaces with $p_g=0$ and $K^2\ge 2$text