2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/42878The use of the AdS/CFT correspondence to arrive at quiver gauge field theories is discussed, focussing on the orbifolded case without supersymmetry. An abelian orbifold with the finite group Z(12) can accommodate unification at about 4 TeV.Talk at the Second International Conference on String Phenomenology. Durham, UK. July 2003High Energy Physics - Phenomenologytext