2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/117533We present a model in which, due to the quantum nature of the signals controlling the implementation time of successive unitary computational steps, \emph{physical} irreversibility appears in the execution of a \emph{logically} reversible computation.13 pages, 6 figuresComputational ComplexityQuantum Physicstext