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相互作用网络耦合关系对其鲁棒性的影响 被引量:2

The Effect of the Coupling Relationship of the Interdependent Networks on Their Robustness
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摘要 通过构造带有调控参数α的耦合网络模型,改变两个网络耦合顶点之间的度匹配性,研究了两个相互作用耦合网络在耦合关系变化、节点随机失效情况下的级联失效行为及其鲁棒性.在对两个耦合无标度网络的研究中发现:随着α的减小,渗流阈值pc也逐渐减小,鲁棒性随之增强;存在临界值αc,当α<αc时,网络渗流呈现二阶相变,而当α>αc时,呈现一阶相变.然而,在对两个耦合随机网络的研究中发现,参数α对渗流阈值的影响相对较小. We study the robustness of interdependent networks by constructing a model with a controllable parameterα.In this model,we change the similarity of degree between mutually dependent nodes by controlling the parameterα.In the research of coupled scale-free networks systems we find that percolation threshold pcdecreases with decreasingα,and that there is a thresholdαc.The giant component approaches zero.continuously ifααcand discontinuously ifααc.However,in a study of two coupled random networks systems,we find that compared with coupled scale-free networks,parameterαhas little influence on percolation threshold.
作者 杨程成 杨春
出处 《西南大学学报(自然科学版)》 CAS CSCD 北大核心 2015年第9期145-149,共5页 Journal of Southwest University(Natural Science Edition)
基金 国家自然科学基金(61172115 60872029) 中央高校基本科研业务费专项资金(ZYGX2011J046 ZYGX2012J046) 四川省教育厅科学研究基金(13ZB0034)
关键词 相互作用网络 耦合关系 鲁棒性 渗流阈值 interdependent network coupling relationship robustness percolation threshold
作者简介 杨程成(1990-),男,四川成都人,硕士研究生,主要从事复杂网络相关研究. 通信作者:杨春.
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