A variant of the mixed-model sequencing problem on assembly lines is the one proposed by Yano and Rachamadugu in 1991. They consider time windows in workstations and the work overload concept--sum of differences between real completion time in the workstation and due dates, which depends on the...

A network needs to be constructed by a server (construction crew) that has a constant construction speed which is incomparably slower than the server’s travel speed within the already constructed part of the network. A vertex is recovered when it becomes connected to the depot by an already...

Reverse logistics problems arising in municipal waste management are both wide-ranging and varied. The usual collection system in UE countries is composed of two phases. First, citizens leave their refuse at special collection areas where different types of waste (glass, paper, plastic, organic...