2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/76021In this paper we show that several dynamical systems with time delay can be described as vector fields associated to smooth functions via a bracket of Leibniz structure. Some examples illustrate the theoretical considerations.15 pages, 2 figures, it will be presented at The 5-th Conference of Balkan Society of Geometers, August 29- September 2, 2005, Mangalia, RomaniaDifferential Geometry70G45, 37C10, 37N15text