2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/40915A short review of theoretical and experimental results on fragmentation in e^+e^- annihilation is presented. Starting with an introduction of the concept of fragmentation functions in e^+e^- annihilation, aspects of scaling violation, multiplicities, small and large x, longitudinal, gluon, light and heavy quark fragmentation are summarized.27 pages, LaTeX2e, 12 .eps-files included, revised and corrected version, Fig. 9 and Tab.1 corrected and updatedHigh Energy Physics - PhenomenologyJet fragmentation in e^+e^- annihilationtext