On sequential selection and a first passage problem for the Poisson process

被引:1
|
作者
Gnedin, Alexander [1 ]
机构
[1] Queen Mary Univ London, London, England
来源
ELECTRONIC COMMUNICATIONS IN PROBABILITY | 2021年 / 26卷
关键词
sequential selection; Poisson process; birth process; Borel distribution;
D O I
10.1214/21-ECP377
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
This note is motivated by connections between the online and offline problems of selecting a possibly long subsequence from a Poisson-paced sequence of uniform marks under either a monotonicity or a sum constraint. The offline problem with the sum constraint amounts to counting the Poisson arrivals before their total exceeds a certain level. A precise asymptotics for the mean count is obtained by coupling with a nonlinear pure birth process.
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页数:13
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