A dual algorithm for the constrained shortest path problem


In this paper we develop a Lagrangian relaxation algorithm for the problem of finding a shortest path between two nodes in a network, subject to a knapsack-type constraint. For example, we may wish to find a minimum cost route subject to a total time constraint in a multimode transportation network. Furthermore, the problem, which is shown to be at least as… (More)
DOI: 10.1002/net.3230100403


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@article{Handler1980ADA, title={A dual algorithm for the constrained shortest path problem}, author={Gabriel Y. Handler and Israel Zang}, journal={Networks}, year={1980}, volume={10}, pages={293-309} }