2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/49502Recent \alphas determinations from jet production at HERA are presented. Three different observables lead to consistent alpha values. The result is consistent with the world average and has an error of about 0.006. This is quite a remarkable result, since it is only slightly less precise than the world average.Talk presented at the EPS conference 1999, Tampere, FinnlandHigh Energy Physics - Phenomenologytext