2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/150064The estimate for the maximal number of ordinary double points of a projective surface of degree eight is improved to $168\leqμ(8)\leq 174$ by constructing a projective surface of degree eight with 168 nodes.LaTeX 2.09 with amssymbolsAlgebraic Geometrytext