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We introduce a class of incremental network design problems focused on investigating the optimal choice and timing of network expansions. We concentrate on an incremental network design problem with shortest paths. We investigate structural properties of optimal solutions, show that the simplest...
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solved by CPLEX-Concert Technology. As the proposed model is NP-hard; a new heuristic is constructed to solve the problem in … large scale sets. The proposed heuristic provides very competitive results compared to CPLEX in all scales in term of gaps …
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