多秘书问题总是有有限的遗憾吗?

R. Bray
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引用次数: 10

摘要

Arlotto和Gurvich(2019)表明,如果申请人的估值来自有限支持的分布,那么多秘书问题中的遗憾在职位空缺数量n和申请人数量k中是有限的。我表明,当申请人估值来自标准均匀分布时,这一结果并不成立。当k = n/2且n≥16时,遗憾率介于log(n)/16 - 1/4和log(n+1)/8之间。我用Vera和Banerjee(2019)的补偿耦合技术的增强版本建立了这些界限。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Does the Multisecretary Problem Always Have Bounded Regret?
Arlotto and Gurvich (2019) showed that the regret in the multisecretary problem is bounded in the number of job openings, n, and the number of applicants, k, provided that the applicant valuations are drawn from a distribution with finite support. I show that this result does not hold when applicant valuations are drawn from a standard uniform distribution. In this case, the regret is between log(n)/16 - 1/4 and log(n+1)/8, when k = n/2 and n ≥ 16. I establish these bounds with enhanced version of Vera and Banerjee's (2019) compensated coupling technique.
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