This monograph addresses a number of serious difficulties to the operations of delivery strains and ports, and offers algorithms and mathematical versions to be used by way of transport strains and port gurus for selection aid. this sort of difficulties is the repositioning of box ships in a liner transport community in an effort to modify the community to seasonal shifts favorite or adjustments on this planet economic climate. we offer the 1st challenge description and mathematical version of repositioning and outline the lining delivery fleet repositioning challenge (LSFRP). The LSFRP is characterised through chains of interacting actions with a multi-commodity move over paths outlined by means of the actions selected. We first version the matter with out shipment flows with quite a few recognized optimization suggestions, in addition to utilizing a singular strategy known as linear temporal optimization making plans that mixes linear programming with partial-order making plans in a branch-and-bound framework. We then version the LSFRP with shipment flows, utilizing numerous diverse mathematical versions in addition to heuristic techniques. We assessment our strategies on a real-world dataset that features a state of affairs from our commercial collaborator. We exhibit that our techniques scale to the dimensions of difficulties confronted by means of undefined, and also are in a position to enhance the revenue at the reference situation by way of over US$14 million.
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