A mathematical model of the London riots and their policing.

A mathematical model of the London riots and their policing.
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DOI:
10.1038/srep01303
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发表时间:
2013
期刊:
影响因子:
4.6
通讯作者:
Bishop, Steven R.
Bishop, Steven R.
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Davies, Toby P.;Fry, Hannah M.;Wilson, Alan G.;Bishop, Steven R.

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2011年8月,伦敦多个地区发生大规模骚乱,包括抢劫、骚乱和暴力。随后的许多讨论都对警方在可用资源和所用战略方面的反应是否充分提出了质疑。在这篇文章中,我们提出了一个数学模型的空间发展的障碍,它可以用来检查不同的警务安排的效果。该模型能够模拟事件的一般紧急模式,并重点关注三个基本方面:参与的明显传染性;到达骚乱地点的距离;以及警务的威慑作用。我们证明,伦敦的空间配置的地方自然比其他地区更高的风险,突出空间考虑的重要性,规划此类事件。我们还调查了不同的警察人数和反应时间的后果,这有可能指导这一领域的政策。
In August 2011, several areas of London experienced episodes of large-scale disorder, comprising looting, rioting and violence. Much subsequent discourse has questioned the adequacy of the police response, in terms of the resources available and strategies used. In this article, we present a mathematical model of the spatial development of the disorder, which can be used to examine the effect of varying policing arrangements. The model is capable of simulating the general emergent patterns of the events and focusses on three fundamental aspects: the apparently-contagious nature of participation; the distances travelled to riot locations; and the deterrent effect of policing. We demonstrate that the spatial configuration of London places some areas at naturally higher risk than others, highlighting the importance of spatial considerations when planning for such events. We also investigate the consequences of varying police numbers and reaction time, which has the potential to guide policy in this area.
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