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Main Authors: Correa, Jose, Kiwi, Marcos, Livanos, Vasilis, Solan, Eilon, Solan, Ron
Format: Preprint
Published: 2026
Subjects:
Online Access:https://arxiv.org/abs/2602.12523
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author Correa, Jose
Kiwi, Marcos
Livanos, Vasilis
Solan, Eilon
Solan, Ron
author_facet Correa, Jose
Kiwi, Marcos
Livanos, Vasilis
Solan, Eilon
Solan, Ron
contents Consider the following process whereby $n$ balls are distributed into $k$ bins. Repeatedly, a ball is removed from a non-empty bin chosen uniformly at random. The process ends when a single non-empty bin remains. Will Ma (see~\cite[Sec.~1.1]{GS24}) asked whether the initial assignment that minimizes the expected number of remaining balls is one that is as balanced as possible. Using a coupling argument we answer this conjecture positively, and we discuss the case of non-uniform choice among the non-empty bins.
format Preprint
id arxiv_https___arxiv_org_abs_2602_12523
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle About a Ball Removal Process on Bins
Correa, Jose
Kiwi, Marcos
Livanos, Vasilis
Solan, Eilon
Solan, Ron
Probability
Optimization and Control
Consider the following process whereby $n$ balls are distributed into $k$ bins. Repeatedly, a ball is removed from a non-empty bin chosen uniformly at random. The process ends when a single non-empty bin remains. Will Ma (see~\cite[Sec.~1.1]{GS24}) asked whether the initial assignment that minimizes the expected number of remaining balls is one that is as balanced as possible. Using a coupling argument we answer this conjecture positively, and we discuss the case of non-uniform choice among the non-empty bins.
title About a Ball Removal Process on Bins
topic Probability
Optimization and Control
url https://arxiv.org/abs/2602.12523