2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/70300We give two new examples of families of Calabi-Yau complete intersection threefolds whose generic element contains infinitely many lines. We get some results about the normal bundles of these lines and the Hilbert scheme of lines on the threefolds.10 pagesAlgebraic Geometry14J30; 14J32text