2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/145954Certain dynamical models of competition have a unique invariant hypersurface to whichevery nonzero tractory is asymptotic, having simple geometry and topology.Submitted to Journal of Biological Dynamics. 13 pagesDynamical Systems37C05, 37C55, 37C70On existence and uniqueness of the carrying simplex for competitive dynamical systemstext