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2022-03-28
摘要翻译:
人类社会中不协调的个体追求自己的最优策略并不总是达到社会最优,即对整个社会最有利的状态。相反,策略形成的纳什均衡往往是社会次优的。因此,社会必须为其成员之间缺乏协调而付出无ZF状态的代价。在这里,我们通过分析几个主要城市道路网络的出行时间来评估这种无ZF状态的代价。我们的模拟表明,不协调的司机可能会浪费大量的旅行时间。与直觉相反的是,简单地封锁某些街道可以部分改善交通状况。我们分析了各种复杂网络,讨论了物理学中类似悖论的可能性。
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英文标题:
《The Price of Anarchy in Transportation Networks: Efficiency and
  Optimality Control》
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作者:
Hyejin Youn (1), Michael T. Gastner (2), and Hawoong Jeong (1) ((1)
  Department of Physics, Korea Advanced Institute of Science and Technology,
  Korea, (2) Santa Fe Institute, USA; Department of Computer Science,
  University of New Mexico, Albuquerque, USA)
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最新提交年份:
2008
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分类信息:

一级分类:Physics        物理学
二级分类:Physics and Society        物理学与社会
分类描述:Structure, dynamics and collective behavior of societies and groups (human or otherwise). Quantitative analysis of social networks and other complex networks. Physics and engineering of infrastructure and systems of broad societal impact (e.g., energy grids, transportation networks).
社会和团体(人类或其他)的结构、动态和集体行为。社会网络和其他复杂网络的定量分析。具有广泛社会影响的基础设施和系统(如能源网、运输网络)的物理和工程。
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一级分类:Physics        物理学
二级分类:Statistical Mechanics        统计力学
分类描述:Phase transitions, thermodynamics, field theory, non-equilibrium phenomena, renormalization group and scaling, integrable models, turbulence
相变,热力学,场论,非平衡现象,重整化群和标度,可积模型,湍流
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英文摘要:
  Uncoordinated individuals in human society pursuing their personally optimal strategies do not always achieve the social optimum, the most beneficial state to the society as a whole. Instead, strategies form Nash equilibria which are often socially suboptimal. Society, therefore, has to pay a price of anarchy for the lack of coordination among its members. Here we assess this price of anarchy by analyzing the travel times in road networks of several major cities. Our simulation shows that uncoordinated drivers possibly waste a considerable amount of their travel time. Counterintuitively,simply blocking certain streets can partially improve the traffic conditions. We analyze various complex networks and discuss the possibility of similar paradoxes in physics.
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PDF链接:
https://arxiv.org/pdf/712.1598
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