We discuss the resolution of toroidal orbifolds. For the resulting smooth Calabi–Yau manifolds, we calculate the intersection ring and determine the divisor topologies. In a next step, the orientifold quotients are constructed..
"Resolved toroidal orbifolds and their orientifolds." Adv. Theor. Math. Phys. 12 (1) 67 - 183, January 2008.