2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/78877Recently O. Sarig has introduced and explored the concept of positively recurrent functions. In this paper we construct a natural wide class of such functions and we showthat they have stronger ergodic properties than the general functions considered in Sarig's paper.13 pagesDynamical SystemsFunctional Analysis28D05, 28D20text