We study the effect of structured higher-order interactions on the collective behavior of coupled phase oscillators. By combining a hypergraph generative model with dimensionality reduction techniques, we obtain a reduced system of differential equations for the system’s order parameters. We illustrate our framework with the example of a hypergraph with hyperedges of sizes 2 (links) and 3 (triangles). For this case, we obtain a set of two coupled nonlinear algebraic equations for the order parameters. For strong values of coupling via triangles, the system exhibits bistability and explosive synchronization transitions. We find conditions that lead to bistability in terms of hypergraph properties and validate our predictions with numerical simulations. Our results provide a general framework to study the synchronization of phase oscillators in hypergraphs, and they can be extended to hypergraphs with hyperedges of arbitrary sizes, dynamic-structural correlations, and other features.
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March 2023
Research Article|
March 09 2023
Synchronization of phase oscillators on complex hypergraphs
Special Collection:
Dynamics on Networks with Higher-Order Interactions
Sabina Adhikari
;
Sabina Adhikari
a)
(Data curation, Formal analysis, Investigation, Resources, Software, Validation, Visualization, Writing – original draft, Writing – review & editing)
1
Department of Applied Mathematics, University of Colorado Boulder
, Boulder, Colorado 80309, USA
a)Author to whom correspondence should be addressed: sabina.adhikari@colorado.edu
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Juan G. Restrepo
;
Juan G. Restrepo
(Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing)
1
Department of Applied Mathematics, University of Colorado Boulder
, Boulder, Colorado 80309, USA
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Per Sebastian Skardal
Per Sebastian Skardal
(Conceptualization, Methodology, Project administration, Resources, Supervision, Validation, Writing – review & editing)
2
Department of Mathematics, Trinity College
, Hartford, Connecticut 06106, USA
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a)Author to whom correspondence should be addressed: sabina.adhikari@colorado.edu
Note: This article is part of the Focus Issue, Dynamics on Networks with Higher-Order Interactions.
Citation
Sabina Adhikari, Juan G. Restrepo, Per Sebastian Skardal; Synchronization of phase oscillators on complex hypergraphs. Chaos 1 March 2023; 33 (3): 033116. https://doi.org/10.1063/5.0116747
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