2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/132805Explicit solution of a Green function in a non-renormalizable toy model demonstrates that Green functions of the interacting theory fall off much faster than at the tree level at large momenta. This suggests a method of calculations in quantum field theory which is free of divergences.6 pagesHigh Energy Physics - Theorytext