2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/145247For a binary quartic form $ϕ$ without multiple factors, we classify the quartic K3 surfaces $ϕ(x,y)=ϕ(z,t)$ whose Neron-Severi group is (rationally) generated by lines. For generic binary forms $ϕ$, $ψ$ of prime degree without multiple factors, we prove that the Neron-Severi group of the surface $ϕ(x,y)=ψ(z,t)$ is rationally generated by lines.To appear in Proc. AMSAlgebraic Geometry14J18; 14J19text