2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/229431We investigate the Cesaro and Abel sums of divergent series of the form $\sum_{n\geq 0} a_n T^nP(x)$, where $P$ is a real polynomial and $T$ is a translation invariant operator on the space of real polynomials.9 pagesCombinatoricsClassical Analysis and ODEs05A10, 05A19, 11B83, 40A30, 40G05, 40G10text