2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/134464In the simulation of protoplanetary disc with a power law density profile a disc instability is detected. The instability arises only with a power law profile and is affected by power index. Thus the impact of initial density profile is large within the employed numerical model.6 pages, 3 figuresAstrophysicstext