The physics of higher-order interactions in complex systems
arXiv:2110.06023 · doi:10.1038/s41567-021-01371-4
Abstract
Complex networks have become the main paradigm for modelling the dynamics of interacting systems. However, networks are intrinsically limited to describing pairwise interactions, whereas real-world systems are often characterized by higher-order interactions involving groups of three or more units. Higher-order structures, such as hypergraphs and simplicial complexes, are therefore a better tool to map the real organization of many social, biological and man-made systems. Here, we highlight recent evidence of collective behaviours induced by higher-order interactions, and we outline three key challenges for the physics of higher-order systems.
pre-peer-reviewed version of the Nature Physics perspective, 7 pages, 4 figures
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