2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/61788In this paper we fix a set Λ^* of positive elements of the free group F_n (e.g. the set of finite words occurring in a Markov subshift) as well as n partial isometries on a Hilbert space H. Based on these we define a map S:F_n --> L(H) which we prove to be a partial representation of F_n on H under certain conditions studied by Matsumoto.LaTex, 7 pagesOperator AlgebrasDynamical Systems47D99; 37B10text