2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/138427The coin-position entanglement generated by the evolution operator of a discrete--time quantum walk converges, in the long time limit, to a well defined value which depends on the initial state. We also discuss the asymptotic bi-partite entanglement generated by several non-separable coin operations for two coherent quantum walkers, for which the entropy of entanglement increases logarithmically.10 pages, pdfQuantum Physicstext