2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/58525The set of zeros of a Brownian motion gives rise to a product system in the sense of William Arveson (that is, a continuous tensor product system of Hilbert spaces). Replacing the Brownian motion with a Bessel process we get a continuum of non-isomorphic product systems.13 pages, LaTeX2eFunctional AnalysisProbability47D25 (Primary) 60A10 (Secondary)From random sets to continuous tensor products: answers to three questions of W. Arvesontext