2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/61671In this note we introduce a sufficient condition for the Orlik-Solomon algebra associated to a matroid M to be l-adic and we prove that this condition is necessary when M is binary (in particular graphic). Moreover, this result cannot be extended to the class of all matroids.5 pages, 1 figure, Mat. Contemp., to appearCombinatorics05B35;14F40;52C35text