2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/40320A review on recent investigations of local fluctuations and genuine correlations in electron-positron annihilations at LEP and in positron-proton collisions at HERA is given.Invited talk given at the XXXth Int. Symposium on Multiparticle Dynamics (ISMD 2000), 9-15 October 2000, Tihany, Lake Balaton, HungaryHigh Energy Physics - PhenomenologyHigh Energy Physics - Experimenttext