2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/150034Let N_d be the number of degree d, nodal, rational plane curves through 3d-1 points in the complex projective plane. The number of degree d>=3, nodal, elliptic plane curves with a fixed (general) j-invariant through 3d-1 points is found to be {d-1 \choose 2}*N_d.10 pages, AMSLatexAlgebraic Geometrytext