2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/205714We discuss the computation of the three loop anomalous dimensions for various operators used in deep inelastic scattering in the MSbar and RI' schemes. In particular the results for the n = 5 and 6 Wilson operators in arbitrary linear covariant gauge in the RI' scheme are new.12 latex pages, talk presented at ACAT07High Energy Physics - Phenomenologytext