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2022-03-04
摘要翻译:
多智能体模型已被广泛应用于研究一般的集体行为。同样,复杂网络也因其生长规则的多样性而变得非常流行,从而产生了无标度行为。在这里,我们研究自适应网络,当agent连接在一起时,agent进行“财富”交易,而联系可以根据相应agent的财富而出现和消失;因此,代理影响网络动态,反之亦然。我们的框架推广了一个Bouchand和Mezard的多Agent模型,并得到了一个具有波动连通性的稳态。系统自发自组织进入财富分配有肥尾、网络无标度的临界状态;此外,网络异质性导致财富凝聚增强。
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英文标题:
《Adaptive networks of trading agents》
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作者:
Z. Burda, A. Krzywicki, O.C. Martin
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最新提交年份:
2008
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分类信息:

一级分类:Quantitative Finance        数量金融学
二级分类:Trading and Market Microstructure        交易与市场微观结构
分类描述:Market microstructure, liquidity, exchange and auction design, automated trading, agent-based modeling and market-making
市场微观结构,流动性,交易和拍卖设计,自动化交易,基于代理的建模和做市
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一级分类:Physics        物理学
二级分类:Adaptation and Self-Organizing Systems        自适应和自组织系统
分类描述:Adaptation, self-organizing systems, statistical physics, fluctuating systems, stochastic processes, interacting particle systems, machine learning
自适应,自组织系统,统计物理,波动系统,随机过程,相互作用粒子系统,机器学习
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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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英文摘要:
  Multi-agent models have been used in many contexts to study generic collective behavior. Similarly, complex networks have become very popular because of the diversity of growth rules giving rise to scale-free behavior. Here we study adaptive networks where the agents trade ``wealth'' when they are linked together while links can appear and disappear according to the wealth of the corresponding agents; thus the agents influence the network dynamics and vice-versa. Our framework generalizes a multi-agent model of Bouchand and Mezard, and leads to a steady state with fluctuating connectivities. The system spontaneously self-organizes into a critical state where the wealth distribution has a fat tail and the network is scale-free; in addition, network heterogeneities lead to enhanced wealth condensation.
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PDF链接:
https://arxiv.org/pdf/0804.4152
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