2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/157747It is proposed four dimensional curved space-time with de-Sitter group of motion. Theory contain free dimension constants of length, impulse and action. Under infinite values of these parameters theory pass to usual Minkowski space-time with Poincare group of motion. In modified space gauge invariant field theory is constructed.8 pages, no figuresClassical Physicstext