2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/44188In this lecture I discuss jet-shape distributions and describe how from jet evolution one may design Monte Carlo simulations which are used in the analysis of short distance distributions in $\ee$-annihilation, lepton-hadron and hadron-hadron collisionsTalk given at ``QCD at Cosmic Energies'', Erice, August 29 - September 5, 2004High Energy Physics - Phenomenologytext