2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/62418Given a zero-one matrix A we consider certain one-parameter groups of automorphisms of the Cuntz-Krieger algebra O_A, generalizing the usual gauge group, and depending on a positive continuous function H defined on the Markov space Σ_A. The main result consists of an application of Ruelle's Perron-Frobenius Theorem to show that these automorphism groups admit a single KMS state.Plain TeX, 8 pagesOperator AlgebrasMathematical PhysicsDynamical Systemstext