2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/41198The physics at an e+e- linear collider with a center of mass energy of 3-5 TeV is reviewed. The following topics are covered: experimental environment, Higgs physics, supersymmetry, fermion pair-production, WW scattering, extra dimensions, non-commutative theories, and black hole production.21 pages, 20 figures, presented at Snowmass 2001High Energy Physics - Phenomenologytext