2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/119709We define here a new kind of quantum channel capacity by extending the concept of zero-error capacity for a noisy quantum channel. The necessary requirement for which a quantum channel has zero-error capacity greater than zero is given. Finally, we point out some directions on how to calculate the zero-error capacity of such channels.Published in the International Journal of Quantum InformatonQuantum Physicstext