LISS 2014 pp 395-400 | Cite as

Solving a Variant of the Hub Location-Routing Problem

  • Mauro Cardoso Lopes
  • Thiago Alves de Queiroz
  • Carlos Eduardo de Andrade
  • FlávioKeidi Miyazawa
Conference paper

Abstract

We investigate a variant of the many-to-many (hub) location-routing problem, which consists in partitioning the set of vertices of a graph into cycles containing exactly one hub each, and determining an extra cycle interconnecting all hubs. A local search heuristic that considers add/remove and swap operations is developed.Also, a branch-and-cut approach that solves an integer formulation is investigated.Computational experiments on several instances adapted from literature show that our algorithms are good to deal with small to medium-sized instances.

Keywords

Location-routing problem Branch-and-cut Local search 

Notes

Acknowledgements

The authors would like to thank CNPq, FAPEG and FAPESP for their financial support.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Mauro Cardoso Lopes
    • 1
  • Thiago Alves de Queiroz
    • 2
  • Carlos Eduardo de Andrade
    • 1
  • FlávioKeidi Miyazawa
    • 1
  1. 1.Institute of ComputingIC/UNICAMPCampinasBrazil
  2. 2.Department of MathematicsUFG-Campus CatalãoCatalãoBrazil

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