2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/52809A nonlocal generalization of quantum field theory in which momentum space is the space of continuous maps of a circle into $\mathbf{R}^4$ is proposed. Functional integrals in this theory are proved to exist. Renormalized quantum field model is obtained as a local limit of the proposed theory.9 pages, LaTeXHigh Energy Physics - TheoryRenormalizable quantum field theory as a limit of a quantum field model on the loop spacetext