2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/223987In this paper we propose a comparison between the CTRW (Monte Carlo) and Fractional Derivative approaches to the modelling of anomalous diffusion phenomena in the presence of an advection field. Galilei variant and invariant schemes are revised.13 pages, 6 figuresStatistical Mechanicstext