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Dynamics on networks: competition of temporal and topological correlations

机译:网络动态:时间和拓扑相关竞争

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Links in many real-world networks activate and deactivate in correspondence to the sporadic interactions between the elements of the system. The activation patterns may be irregular or bursty and play an important role on the dynamics of processes taking place in the network. Information or disease spreading in networks are paradigmatic examples of this situation. Besides burstiness, several correlations may appear in the process of link activation: memory effects imply temporal correlations, but also the existence of communities in the network may mediate the activation patterns of internal an external links. Here we study the competition of topological and temporal correlations in link activation and how they affect the dynamics of systems running on the network. Interestingly, both types of correlations by separate have opposite effects: one (topological) delays the dynamics of processes on the network, while the other (temporal) accelerates it. When they occur together, our results show that the direction and intensity of the final outcome depends on the competition in a non trivial way.
机译:许多真实网络中的链接在对应于系统元素之间的偶像交互时激活和停用。激活模式可能是不规则的或突发的并且在网络中发生的过程的动态发挥重要作用。网络中传播的信息或疾病是这种情况的范式示例。除了突破之外,链路激活过程中可能出现几个相关性:内存效果意味着时间相关性,而且网络中的社区的存在可能会介绍内部外部链路的激活模式。在这里,我们研究了链接激活中的拓扑和时间相关性的竞争以及它们如何影响网络上运行的系统的动态。有趣的是,通过单独的两种类型的相关性具有相反的影响:一个(拓扑)延迟网络上进程的动态,而另一个(时间)加速器。当它们在一起发生时,我们的结果表明,最终结果的方向和强度取决于竞争以非凡的方式。

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