2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/150346The aim of this note is to give a simple definition of genus zero virtual orientation classes (or fundamental classes) for projective complete intersections or, more generally, for complete intersections in convex varieties, and to prove a push forward formula for them.3 pages, LatexAlgebraic Geometrytext