2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/89775Using a numerical simulation of the evolution of a qubit interacting with the environment we show that quantum error detection and correction can work effectively even when the recovery procedure introduces errors.6 pages, 3 figures. Contribution to ICQI-2001, Rochester, N.Y. (To appear in a TOPS-OSA volume)Quantum Physicstext