2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/44029A brief review of jet physics is presented with an emphasis upon open theoretical problems (non-perturbative domain; hadronization and confinement) and new phenomena (hadroproduction in heavy ion collisions).Invited talk at the XXXIV International Symposium on Multiparticle Dynamics, Sonoma State University, California, USA, July 26 - August 1, 2004High Energy Physics - Phenomenologytext