2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47423The present work considers the phase transition between the confinement and "Coulomb" phases in U(1), SU(2) and SU(3)-sectors of Anti-grand unified theory described by regularized Wilson loop action. It was shown the independence of the critical coupling constants of the regularization method ("universality").5 pages, LaTeX2e, 1 figure; talk presented by L. V. Laperashvili at the 8th Lomonosov Conference on Elementary Particle Physics, MoscowHigh Energy Physics - PhenomenologyAnti-Grand Unification and Critical Coupling Universalitytext