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Nonlinear Sciences > Adaptation and Self-Organizing Systems

Title: Dynamics of large oscillator populations with random interactions

Abstract: We explore large populations of phase oscillators interacting via random coupling functions. Two types of coupling terms, the Kuramoto-Daido coupling and the Winfree coupling, are considered. Under the assumption of statistical independence of the phases and the couplings, we derive reduced averaged equations with effective non-random coupling terms. As a particular example, we study interactions that have the same shape but possess random coupling strengths and random phase shifts. While randomness in coupling strengths just renormalizes the interaction, a distribution of the phase shifts in coupling reshapes the coupling function.
Subjects: Adaptation and Self-Organizing Systems (nlin.AO); Disordered Systems and Neural Networks (cond-mat.dis-nn)
Cite as: arXiv:2404.06193 [nlin.AO]
  (or arXiv:2404.06193v1 [nlin.AO] for this version)

Submission history

From: Arkady Pikovsky [view email]
[v1] Tue, 9 Apr 2024 10:25:48 GMT (519kb,D)

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