Abstract
This paper considers the priority facility location problem with penalties. The authors develop a primal-dual 3-approximation algorithm for this problem. Combining with the greedy augmentation procedure, the authors further improve the previous ratio 3 to 1.8526.
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This research was supported by the National Natural Science Foundation of China under Grant No. 11371001.
This paper was recommended for publication by Editor DAI Yuhong.
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Wang, F., Xu, D. & Wu, C. Approximation algorithms for the priority facility location problem with penalties. J Syst Sci Complex 28, 1102–1114 (2015). https://doi.org/10.1007/s11424-014-2157-2
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DOI: https://doi.org/10.1007/s11424-014-2157-2