2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/210551The center Z(C) of a spherical fusion category C (over an arbitrary commutative ring) is modular. We give an algorithm for computing the Reshetikhin-Turaev invariant defined with Z(C). It is based on Hopf diagrams and an explicit description of the structure of the coend of Z(C).Quantum AlgebraGeometric Topology57M27,16W30,18C20text