Busemann functions and equilibrium measures in last passage percolation models

Busemann functions and equilibrium measures in last passage percolation models
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最后一段渗透模型中的布斯曼函数和平衡测量

DOI:
10.1007/s00440-011-0363-6
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发表时间:
2009
影响因子:
2
通讯作者:
Leandro P. R. Pimentel
Leandro P. R. Pimentel
中科院分区:
数学1区
文献类型:
--
作者:
E. Cator;Leandro P. R. Pimentel

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二维渗流增长模型和一维粒子过程之间的相互作用是有趣的数学现象的丰富来源。本文建立了Hammersley最后通道渗流模型中Busemann函数的构造与相关(多类)相互作用流体系统的平衡(或定常)测度的存在性、遍历性和唯一性之间的联系。正如我们将看到的,在经典的Hammersley模型中,每个点的权重为1,这种方法带来了最长子序列问题的一种新的、相当几何的解决方案,以及Busemann函数的中心极限定理。
The interplay between two-dimensional percolation growth models and one-dimensional particle processes has been a fruitful source of interesting mathematical phenomena. In this paper we develop a connection between the construction of Busemann functions in the Hammersley last-passage percolation model with i.i.d. random weights, and the existence, ergodicity and uniqueness of equilibrium (or time-invariant) measures for the related (multi-class) interacting fluid system. As we shall see, in the classical Hammersley model, where each point has weight one, this approach brings a new and rather geometrical solution of the longest increasing subsequence problem, as well as a central limit theorem for the Busemann function.
DOI: 10.1214/08-aap542
发表时间: 2009
期刊: The Annals of Applied Probability
影响因子: --
作者:
Ferrari P
通讯作者: Ferrari P
多类 Hammersley-Aldous-Diaconis 流程和多类客户队列
DOI: 10.1214/08-aihp168
发表时间: 2009
期刊: Annales de l'Institut Henri Poincaré, Probabilités et Statistiques
影响因子: --
作者:
Ferrari P
通讯作者: Ferrari P