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arXiv 2301.04514physics.soc-phcond-mat.dis-nncond-mat.stat-mechphysics.bio-ph
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异构网络中的多尺度拉普拉斯社区检测

Multi-scale Laplacian community detection in heterogeneous networks

Pablo Villegas, Andrea Gabrielli, Anna Poggialini, Tommaso Gili

AI总结:

该研究利用 LRG 与节点间可传播性分析异构复杂网络的信息扩散,提出无需零模型假设的多尺度最优社区划分框架,并发现承担跨区域通信作用的亚稳态节点。

摘要:

异构且复杂的网络表示现实世界元素或智能体之间相互交织的交互。确定集群与交织结构的多尺度介观组织,仍然是复杂网络理论中一个基本且开放的问题。通过利用近期提出的 Laplacian Renormalization Group(LRG,拉普拉斯重整化群),我们仔细审视贯穿整个网络的信息扩散路径,以进一步阐明这一问题。基于节点间的可传播性,我们的定义提供了一个清晰的框架,用于解析复杂网络中多尺度的结构网络,并解开其内在的树状架构。由于 LRG 不考虑任何拓扑零模型假设,它自然允许引入依赖于尺度的最优划分。此外,我们证明了一类特殊节点的存在,称为“亚稳态”节点;这些节点在不同尺度上切换其所属区域,可能在跨区域通信中发挥关键作用,并因此在调控整个网络的宏观效应方面发挥关键作用。

英文摘要:

Heterogeneous and complex networks represent intertwined interactions between real-world elements or agents. Determining the multi-scale mesoscopic organization of clusters and intertwined structures is still a fundamental and open problem of complex network theory. By taking advantage of the recent Laplacian Renormalization Group, we scrutinize information diffusion pathways throughout networks to shed further light on this issue. Based on inter-node communicability, our definition provides a clear-cut framework for resolving the multi-scale mesh of structures in complex networks, disentangling their intrinsic arboreal architecture. As it does not consider any topological null-model assumption, the LRG naturally permits the introduction of scale-dependent optimal partitions. Moreover, we demonstrate the existence of a particular class of nodes, called 'metastable' nodes, that switching regions to which they belong at different scales, likely playing a pivotal role in cross-regional communication and, therefore, in managing macroscopic effects of the whole network.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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