cs.AI updates on arXiv.org 07月24日
Compatibility of Max and Sum Objectives for Committee Selection and $k$-Facility Location
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本文研究了一种在任意度量空间中选择k个设施以服务于一组客户的问题,分析了四种不同目标,探讨了多目标之间的兼容性,并证明了存在同时接近最优解的方案。

arXiv:2507.17063v1 Announce Type: cross Abstract: We study a version of the metric facility location problem (or, equivalently, variants of the committee selection problem) in which we must choose $k$ facilities in an arbitrary metric space to serve some set of clients $C$. We consider four different objectives, where each client $i\in C$ attempts to minimize either the sum or the maximum of its distance to the chosen facilities, and where the overall objective either considers the sum or the maximum of the individual client costs. Rather than optimizing a single objective at a time, we study how compatible these objectives are with each other, and show the existence of solutions which are simultaneously close-to-optimum for any pair of the above objectives. Our results show that when choosing a set of facilities or a representative committee, it is often possible to form a solution which is good for several objectives at the same time, instead of sacrificing one desideratum to achieve another.

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设施选址 多目标优化 度量空间
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