2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/136120We trace the history of empirical entropy, touching briefly on its relation to Markov processes, normal numbers, Shannon entropy, the Chomsky hierarchy, Kolmogorov complexity, Ziv-Lempel compression, de Bruijn sequences and stochastic complexity.A survey of some results related to empirical entropy, written in the spring of 2007 as part of an introduction to a PhD thesisInformation Theorytext