2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/100999We prove the birational superrigidity and nonrationality of a hypersurface in $\mathbb{P}^{6}$ of degree 6 having at most isolated ordinary double points.10 pagesAlgebraic Geometry14E05, 14E07, 14E08, 14J40, 14J45, 14J70text