2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/210734In this paper we study some skew product diffeomorphisms with nonuniformly hyperbolic structure along fibers. We show that there is an invariant measure with zero entropy which has atomic conditional measures along fibers.7 pages, submitted to Ergodic Theory and Dynamical SystemsDynamical Systemstext