2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/38247A future linear collider will complement the programme of the Large Hadron Collider, especially for precision physics. The RADCOR community has an important part to play in refining the predictions for rates and processes in Electroweak, Higgs, SUSY, top and QCD physics, for e^+ e^-, e^- e^-, $γγ$ and $γe$ collisions.16 pages, 8 figures, Invited talk at RADCOR, Barcelona, España, 8--12 Sept 1998High Energy Physics - Experimenttext