2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/62497We show that although the fundamental group of the complement of an algebraic affine plane curve is not easy to compute, it possesses a more accessible quotient, which we call the Orevkov invariant.20 pagesAlgebraic Geometry14H30, 14R10, 57M25text