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TMF, 2025 Volume 224, Number 1, Pages 42–62 (Mi tmf10850)

Integral networks of nonlinear oscillators

S. D. Glyzin, A. Yu. Kolesov

Center of Integrable Systems, Demidov Yaroslavl State University, Yaroslavl, Russia

Abstract: We consider some special systems of integro-differential equations, the so-called integral networks of nonlinear oscillators. These networks are obtained from finite-dimensional fully connected networks when the number of interacting oscillators tends to infinity. We study both general properties of the introduced class of equations and the characteristic features of the dynamics of integral networks. Namely, we establish the fundamental possibility of the existence of so-called periodic regimes of multicluster synchronization in these networks. For any such regime, the set of oscillators decomposes into $r$, $r\ge 2$, nonintersecting classes. Within these classes, complete synchronization of oscillations is observed, and every two oscillators from different classes oscillate asynchronously. We also establish the realizability of the phenomenon of continuum buffering, that is, of the existence under certain conditions of a continuum family of isolated attractors.

Keywords: integral network of nonlinear oscillators, periodic regimes of multicluster synchronization, stability, continuum buffering.

MSC: 45J05, 37G05, 37C75

Received: 28.10.2024
Revised: 22.11.2024

DOI: 10.4213/tmf10850


 English version:
Theoretical and Mathematical Physics, 2025, 224:1, 1136–1153

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© Steklov Math. Inst. of RAS, 2026