2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/54887We study the enhanced gauge symmetries at constant couplings in the moduli space of the Gimon-Polchinski Orientifold. We show that whenever there is a singularity of E_6, E_7 and E_8 type we get enhanced gauge symmetry U(5), U(6) and U(8) respectively. This is due to the additional twisting involved in the definition of the Gimon-Polchiniski orientifold.14 pages, harvmacHigh Energy Physics - Theorytext