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This paper describes how column generation techniques can be used to solve to optimality the Fleet Size and Mix Vehicle Routing Problem with Time Windows (FSMVRPTW). This problem is practically important and computationally challenging. It involves the joint optimization of the fleet mix and the set of delivery routes. The main contribution of this paper is to show, by an appropriate graph transformation,...
Up to now, the routing problem with physical planning, (choosing the best route linking each pair of adjacent nodes belonging to a road network), has been solved only using an imprecise heuristic approach. In this paper we present a normative method which uses some proxy variables for modeling the main attributes, and is based on a set of rational axioms which provides a good framework for clearing...
This paper outlines a review of application of ShuffleNet and its variations as logical topologies in lightwave networks and tries to consolidate the results reported so far. ShuffleNet, a very popular interconnection structure, proposed by Acampora as a logical topology in multihop optical networks has been generalized later with a view to obtaining a network topology for optimal throughput. Bilayered...
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