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Sensitivity metrics of complex network based on co-occurrence truth table: exemplified by a high-speed rail network

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Abstract

As a mathematical scaffold for network science, graph theory abstracts complex systems into complex networks. However, graphs ignore the multiplicity of combinatorial relationships in network systems, leading to limitations in graph-based metrics reflecting the importance of nodes. To address the shortcomings of graphs in describing network complexity, this study proposes the use of co-occurrence pattern truth tables to represent the combinations of multiple nodes in a network. Based on this, the concept of positive sensitivity is proposed to measure one aspect of the importance of nodes in a network. In addition, network sensitivity is proposed to depict the robustness of the network. The proposed approach is verified to be workable with Monte Carlo simulations and a real network exemplified by the high-speed rail network, constructed with provincial capitals of China as nodes. The results in comparison with traditional graph theory-based indices show that both the nodes and the network are assessed with reasonable results different from those of the graph-derived metrics. This study focuses on the combinatorial relationships of nodes in networks, providing a new perspective for the analysis of complex networks.

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The source codes and data are available for downloading at the link: https://doi.org/10.6084/m9.figshare.19255103.

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Acknowledgements

Supported by the National Natural Science Foundation of China, (42271476) & Wuhan University 351 Talents Program for Young Scholars, (2020007).

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Correspondence to Teng Fei.

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Luo, J., Fei, T., Tian, M. et al. Sensitivity metrics of complex network based on co-occurrence truth table: exemplified by a high-speed rail network. J Geogr Syst 25, 519–538 (2023). https://doi.org/10.1007/s10109-023-00419-8

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  • DOI: https://doi.org/10.1007/s10109-023-00419-8

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