In transit systems there is a critical trade-off between the level of service and operating costs. At the planning level, for a given network design, this trade-off is captured by the timetabling (TT) and vehicle scheduling (VS) problems. In the TT problem we try to maximize the number of...

Timetable generation is a subproblem of bus network strategic planning, in which the departure time of each trip is determined. We study the bus network of Monterrey, Mexico, which is similar to those of other cities in Latin America. It is a large bus network where passenger transfers must be...

This study addresses a real manufacturing process of pieces that are produced with molds that are mounted on machines. The characteristics of the system include setup times between jobs, dedicated parallel machines, dedicated molds, and a different production rate for each piece-mold pair. There...