Explosive Higher-Order Kuramoto Dynamics on Simplicial Complexes.

Phys Rev Lett

School of Mathematical Sciences, Queen Mary University of London, E1 4NS London, United Kingdom and Alan Turing Institute, The British Library, London, United Kingdom.

Published: May 2020

AI Article Synopsis

  • The higher-order interactions in complex systems like the brain are represented by simplicial complexes, influencing their dynamics significantly.
  • Existing models typically assume that dynamics occur only at the nodes, which limits their accuracy.
  • The new higher-order Kuramoto model allows for interactions on nodes, links, and triangles, demonstrating that it can lead to explosive synchronization through adaptive coupling strategies.

Article Abstract

The higher-order interactions of complex systems, such as the brain, are captured by their simplicial complex structure and have a significant effect on dynamics. However, the existing dynamical models defined on simplicial complexes make the strong assumption that the dynamics resides exclusively on the nodes. Here we formulate the higher-order Kuramoto model which describes the interactions between oscillators placed not only on nodes but also on links, triangles, and so on. We show that higher-order Kuramoto dynamics can lead to an explosive synchronization transition by using an adaptive coupling dependent on the solenoidal and the irrotational component of the dynamics.

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Source
http://dx.doi.org/10.1103/PhysRevLett.124.218301DOI Listing

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