2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/166115We investigate the entanglement properties of a three--parameter family of states that are part of the magic simplex of two qutrits, which is a simplex of states that are mixtures of maximally entangled two--qutrit Bell states. Using entanglement witnesses we reveal large regions of bound entangled and separable states.7 pages, 3 figuresQuantum Physicstext