2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/65091For a graded domain $R=k[X_0,...,X_m]/J$ over an arbitrary domain $k$, it is shown that the ideal generated by elements of degree $\geq mA$, where $A$ is the least common multiple of the weights of the $X_i$, is a normal ideal.Commutative Algebratext