2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/68856The 2-loop polynomial is a polynomial presenting the 2-loop part of the Kontsevich invariant of knots. We show a cabling formula for the 2-loop polynomial of knots. In particular, we calculate the 2-loop polynomial for torus knots.16 pages with 41 figuresGeometric Topology57M27, 57M25text