2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/61396In this paper we give a short introduction to our results on the holonomy of gerbe-connections and explain our motivation coming from state-sum models.talk presented by the first author at the 3rd Meeting of the International Forum for Portuguese Researchers, Faro, April 7-10, 2001. LaTeX, 5 pagesDifferential GeometryAlgebraic Topologytext