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An approximation algorithm for soft capacitated k-facility location problem

Author

Listed:
  • Yanjun Jiang

    (Beijing University of Technology)

  • Dachuan Xu

    (Beijing University of Technology)

  • Donglei Du

    (University of New Brunswick)

  • Chenchen Wu

    (Tianjin University of Technology)

  • Dongmei Zhang

    (Shandong Jianzhu University)

Abstract

We present a $$(20+{5}/{n})$$ ( 20 + 5 / n ) -approximation algorithm for the non-uniform soft capacitated k-facility location problem, violating the capacitated constrains by no more than a factor of 25. The main technique is based on the primal–dual algorithm for the soft capacitated facility location problem, and the exploitation of the combinatorial structure of the fractional solution for the soft capacitated k-facility location problem.

Suggested Citation

  • Yanjun Jiang & Dachuan Xu & Donglei Du & Chenchen Wu & Dongmei Zhang, 2018. "An approximation algorithm for soft capacitated k-facility location problem," Journal of Combinatorial Optimization, Springer, vol. 35(2), pages 493-511, February.
    • Handle: RePEc:spr:jcomop:v:35:y:2018:i:2:d:10.1007_s10878-017-0192-3
    DOI: 10.1007/s10878-017-0192-3
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    References listed on IDEAS

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    1. Jiawei Zhang & Bo Chen & Yinyu Ye, 2005. "A Multiexchange Local Search Algorithm for the Capacitated Facility Location Problem," Mathematics of Operations Research, INFORMS, vol. 30(2), pages 389-403, May.
    2. Alfred A. Kuehn & Michael J. Hamburger, 1963. "A Heuristic Program for Locating Warehouses," Management Science, INFORMS, vol. 9(4), pages 643-666, July.
    3. Aardal, Karen & van den Berg, Pieter L. & Gijswijt, Dion & Li, Shanfei, 2015. "Approximation algorithms for hard capacitated k-facility location problems," European Journal of Operational Research, Elsevier, vol. 242(2), pages 358-368.
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