2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/225182We prove a new bound for the number of connected components of a real regular elliptic surface with a real section and we show the sharpness of this bound. Furthermore, all possible values for the Betti numbers of such a surface are realized.Minor changesAlgebraic Geometry14P25 14J27text