Frogs and some other interacting random walks models

Frogs and some other interacting random walks models
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青蛙和其他一些相互作用的随机游走模型

DOI:
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发表时间:
2003
期刊:
Discrete Random Walks
影响因子:
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通讯作者:
S. Popov
S. Popov
中科院分区:
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文献类型:
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作者:
S. Popov

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我们回顾了最近关于图上的简单随机游动系统的一些结果,即所谓的青蛙模型。此外,我们还讨论了对该模型的几种修改,并提出了一些有待解决的问题。青蛙模型的一个简单版本可以描述为:在某些图形上存在活动和睡眠粒子。每个活跃粒子以离散的时间进行一次简单的随机行走,在每个时刻,它可能以1-p的概率消失。当活动粒子击中休眠粒子时,后者变为活动粒子。
We review some recent results for a system of simple random walks on graphs, known as emphfrog model. Also, we discuss several modifications of this model, and present a few open problems. A simple version of the frog model can be described as follows: There are active and sleeping particles living on some graph. Each active particle performs a simple random walk with discrete time and at each moment it may disappear with probability 1-p. When an active particle hits a sleeping particle, the latter becomes active.