2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/57519We look at sections of a function bundle over the space of linear differential operators. We find that one can construct an isomorphism between a certain quotient bundle and the fourier counterpart of the original bundle defined by formal integration by parts. We also show that differential renormalization is an example of this technique.2 pages, 0 figures,submitted to ATMPMathematical Physicstext