Approximation Algorithms for the Priority Facility Location Problem with Penalties

被引：0
|
作者：
WANG Fengmin [1 ]
XU Dachuan [1 ]
WU Chenchen [2 ]
机构：
[1] College of Applied Sciences, Beijing University of Technology
[2] College of Science, Tianjin University of Technology
来源：
Journal of Systems Science & Complexity | 2015年 / 28卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Approximation algorithm; facility location problem; greedy augmentation; primal-dual;
D O I：
暂无
中图分类号：
O224 [最优化的数学理论];
学科分类号：
070105 ; 1201 ;
摘要：
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.
引用
收藏
页码：1102 / 1114
页数：13
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