arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2002.00650math.PR
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广义息票收集者问题的极限定理

Limit theorems in the extended coupon collector's problem

Andrii Ilienko

摘要:

我们考虑一个扩展的变种的经典优惠券收藏家的问题与无限数量的集合。如果$r$是最小索引,则到达的优惠券被放置在$r^{th}$集合$r\ge0$中,使得相应的集合仍然没有这种类型的优惠券。我们推导出分布极限定理的空点在不同的集合的数量时,$0^{th}$收集完成,以及经过一些延迟。我们还得到了不同集合的完成时间的极限分布。所有的主要结果在$\mathbb R^\infty$的分布收敛意义下以最终的无穷维形式给出。证明的主要工具是特殊构造的点过程的收敛性。

英文摘要:

We consider an extended variant of the classical coupon collector's problem with infinite number of collections. An arriving coupon is placed in the $r^{th}$ collection, $r\ge0$, if $r$ is the smallest index such that the corresponding collection still does not have a coupon of this type. We derive distributional limit theorems for the number of empty spots in different collections at the time when the $0^{th}$ collection was completed, as well as after some delay. We also obtain limiting distributions for completion times of different collections. All main results are given in an ultimate infinite-dimensional form in the sense of distributional convergence in $\mathbb R^\infty$. The main tool in the proofs is convergence of specially constructed point processes.

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