2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/155614Chaotic systems arise naturally in Statistical Mechanics and in Fluid Dynamics. A paradigm for their modelization are smooth hyperbolic systems. Are there consequences that can be drawn simply by assuming that a system is hyperbolic? here we present a few model independent general consequences which may have some relevance for the Physics of chaotic systems. Expanded version of a talk at ICM98, Berlin.29 pages: Plain-TeX, 1 figureChaotic Dynamicstext