2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/63746We prove that for every positive integer $m\geq 18(2^{9}\cdot 3^{7})!$ and every smooth projective 3-fold of general type X defined over complex numbers, $\mid mK_{X}\mid$ gives a birational rational map from X into a projective space.20pagesAlgebraic Geometry32H25text