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arXiv 2209.03992math.PRcond-mat.stat-mech
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随机序列覆盖

Random Sequential Covering

P. L. Krapivsky

摘要:

在随机顺序覆盖中,相同的物体被随机地、不可逆地和顺序地放置;只有增加覆盖的尝试才被接受。一个有限的系统最终得到拥挤,我们研究的统计拥挤的配置。对于二聚体覆盖的区间,我们确定沉积二聚体的平均数,计算所有较高的累积量,并建立达到最小和最大拥塞配置的概率。我们还研究了随机覆盖的片段与$\ell$网站和棍棒。覆盖无限衬底无限地继续,并且我们分析了$\mathbb{Z}$和$\mathbb{R}^d$的随机顺序覆盖的动态性。

英文摘要:

In random sequential covering, identical objects are deposited randomly, irreversibly, and sequentially; only attempts increasing the coverage are accepted. A finite system eventually gets congested, and we study the statistics of congested configurations. For the covering of an interval by dimers, we determine the average number of deposited dimers, compute all higher cumulants, and establish the probabilities of reaching minimally and maximally congested configurations. We also investigate random covering by segments with $\ell$ sites and sticks. Covering an infinite substrate continues indefinitely, and we analyze the dynamics of random sequential covering of $\mathbb{Z}$ and $\mathbb{R}^d$.

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