2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/112421This is a working progress report on the attempt by Yuri Dokshitzer, Gavin Salam and myself to relate the small-$x$ behaviour of the anomalous dimensions in the time- and space-like cases. This relation is based on a ``reciprocity respecting equation'' we propose6 pages, 2 talk given at the XLIst Rencontres de Moriond QCD and High Energy Hadronic Interactions, La Thuile, Aosta Valley, Italy, March 18--25, 2006High Energy Physics - Phenomenologytext