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A quadratic integer program for the location of interacting hub facilities. (English) Zbl 0627.90030

This paper reports a new formulation of a general hub location model as a quadratic integer program. Non-convexity of the objective function makes the problem difficult. A variety of alternative solution strategies are discussed. Computational results from two simple heuristics are presented for the task of siting 2, 3 or 4 hubs to serve interactions between sets of 10, 15, 20 and 25 U.S. cities. The effects of different computational shortcuts are examined.

MSC:

90B05 Inventory, storage, reservoirs
90C10 Integer programming
65K05 Numerical mathematical programming methods
90C20 Quadratic programming

Software:

Algorithm 431
Full Text: DOI

References:

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