相互依存网络鲁棒性增强策略
首发时间:2015-10-19
摘要:相互依存网络的鲁棒性研究是目前复杂网络领域的研究热点,自提出以来吸引了众多学者的关注。由于级联失效现象的存在,相互依存网络显得尤其脆弱。这使得针对相互依存网络的故障缓解策略的研究具有非常重要的现实意义,同时也面临着巨大的挑战。本文针对反映相互依存网络鲁棒性的目标函数进行优化,设计了一种故障缓解策略。该策略比选择度最大的节点和介数最大的节点为自治节点相比,能够使得系统鲁棒性得到进一步的提升。同时,该策略不需要考虑网络拓扑结构的特殊性,对所有的相互依存网络都能适用,对提高相互依存网络的鲁棒性具有重要意义。
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Enhancement Strategy of Robustness for Interdependent Networks
Abstract:Research on robustness of interdependent networks is the hot topic in the field of complex network and has attracted more and more researchers' attention. Due to the phenomenon of cascade failures, the interdependent network become extremely vulnerable. Therefore, the research on mitigation strategy against attacks is of great significance and faces big challenges. In this paper, we designed a novel mitigation strategy against attacks based on optimization theory. In the process of optimizing objective function, we gain the optimal nodes and set them as autonomous nodes. Through this strategy, we can significantly improved the robustness of interdepdent networks. Furthermore, it can achive greater advancement compared to selecting the nodes with greatest degree or betweeness. At the same time, this strategy can be applied to any interdepdent networks regardless of the speciality of the network topology.
Keywords: complex network interdependent nework mitigation strategy
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No.4657402110008914****
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