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Hyperedge overlap drives explosive transitions in systems with higher-order interactions
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Hyperedge overlap drives explosive transitions in systems with higher-order interactions
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Journal Article
Hyperedge overlap drives explosive transitions in systems with higher-order interactions
2025
Overview
Recent studies have shown that novel collective behaviors emerge in complex systems due to the presence of higher-order interactions. However, how the collective behavior of a system is influenced by the microscopic organization of its higher-order interactions is not fully understood. In this work, we introduce a way to quantify the overlap among the hyperedges of a higher-order network, and we show that real-world systems exhibit different levels of intra-order hyperedge overlap. We then study two types of dynamical processes on higher-order networks, namely complex contagion and synchronization, finding that intra-order hyperedge overlap plays a universal role in determining the collective behavior in a variety of systems. Our results demonstrate that the presence of higher-order interactions alone does not guarantee abrupt transitions. Rather, explosivity and bistability require a microscopic organization of the structure with a low value of intra-order hyperedge overlap.
Group interactions can lead to explosive onsets of collective behaviors in biological and sociotechnological systems. Here, the authors show that it is the overlap between these kind of higher-order interactions that drives whether emergence of synchrony and epidemics shows up smoothly or abruptly.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
