2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/78965We establish a necessary and sufficient condition for the propagation of chaos by a family of many-particle Markov processes, if the particles live in a Polish space: a sequence of n-particle Markov transition functions propagates chaos if and only if it propagates chaos for pure initial states.14 pagesProbability82C05, 60J35, 60K35text