2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/83786Geometric interactions in a new relativistic geometric unified theory include interactions other than gravitation and electromagnetism. In a low energy limit one of these interactions leads essentially to a Fermi type theory of weak interactions including the Hamiltonian and coupling constant.8 pages. Related papers may be seen at http://prof.usb.ve/ggonzalm/invstg/pblc/public.htmGeneral Physicstext