2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/94004An idealised experiment estimating the spacetime topology is considered in both classical and quantum frameworks. The latter is described in terms of histories approach to quantum theory. A procedure creating combinatorial models of topology is suggested. The correspondence between these models and discretised spacetime models is established.16 pages, latexQuantum Physicstext