Abstract
The status of next-to-leading-order calculations for hadronic final states in deeply-inelastic lepton-nucleon scattering is reviewed. A more detailed focus is on calculations of (2 + 1)-jet-type cross sections, recent progress in extending the perturbative description into the transition region between deeply inelastic scattering and photoproduction is described, and the validity of the fragmentation function picture for one-particle-inclusive cross sections at small Q2 and small xp is studied.
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