2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/97886We define the quantum zero-error capacity, a new kind of classical capacity of a noisy quantum channel. Moreover, the necessary requirement for which a quantum channel has zero-error capacity greater than zero is also given.One page abstract accepted for presentation at Foundations of Quantum Information - FQI04 - ItalyQuantum Physicstext