Unified treatment of synchronization patterns in generalized networks with higher-order, multilayer, and temporal interactions

Abstract

When describing complex interconnected systems, one often has to go beyond the standard network description to account for generalized interactions. Here, we establish a unified framework to simplify the stability analysis of cluster synchronization patterns for a wide range of generalized networks, including hypergraphs, multilayer networks, and temporal networks. The framework is based on finding a simultaneous block diagonalization of the matrices encoding the synchronization pattern and the network topology. As an application, we use simultaneous block diagonalization to unveil an intriguing type of chimera states that appear only in the presence of higher-order interactions. The unified framework established here can be extended to other dynamical processes and can facilitate the discovery of emergent phenomena in complex systems with generalized interactions.

arXiv commentPublished version. Part of the Focus Collection on higher-order interaction networks. The code for the simultaneous block diagonalization algorithm is available at https://github.com/y-z-zhang/SBD

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