2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/142642We present a universal Holevo-like upper bound on the locally accessible information for arbitrary multipartite ensembles. This bound allows us to analyze the indistinguishability of a set of orthogonal states under LOCC. We also derive the upper bound for the capacity of distributed dense coding with multipartite senders and multipartite receivers.A draft, minor changes, comments are welcomeQuantum Physicstext