2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45569I present some comments on the relationship between the small-$x$ behaviour of the parton (quark and gluon) densities and the scaling violation of the proton structure function $F_{2}(x,Q^{2})$.5 pages, LateXHigh Energy Physics - PhenomenologyQuarks and Gluons at Small $x$ and Scaling Violation of $F_2$text