2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/138131For a class of expanding maps with neutral singularities we prove the validity of a finite rank approximation scheme for the analysis of Sinai-Ruelle-Bowen measures. Earlier results of this sort were known only in the case of hyperbolic systems.13 pages, 3 figures, to appear in Discrete and Continuous Dynamical Systems ADynamical SystemsMathematical Physics37M25; 37A40; 37A30; 37A50; 37C30text