2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39832The connection between parton distributions as a function of the impact parameter and off-forward parton distributions is discussed in the limit of vanishing skewedness parameter $ξ$, i.e. when the off-forwardness is purely transverse. It is also illustrated how to relate $ξ\neq 0$ data to $ξ=0$ data, which is important for experimental measurements of these observables.10 pages, sprocl.sty, talk given at workshop on Continuous Advances in QCD, Minneapolis, May 12-14, 2000High Energy Physics - Phenomenologytext