2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47988This talk discusses the power behaved corrections to fragmentation functions for the current jet in non-singlet deep inelastic scattering. These corrections are estimated by means of a renormalon model using a dispersive approach. The assumption of a universal infrared finite coupling enables us to provide quantitative estimates.6 pages, 1 figure, LaTeX2e. Talk presented at Moriond QCD 1998High Energy Physics - Phenomenologytext