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arXiv · 2606.19181

Noise seeded oscillators: on the role of demographic fluctuations in a multi-populations model

Francesca Di Patti·Duccio Fanelli·Perla Rosi
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Abstract

Stochastic oscillations can emerge from a two-population model as triggered by endogenous finite size fluctuations. Here, an extended dynamical scenario is considered in which a third fluctuating species is added to a proto-typical scheme of neuronal interaction. As we shall prove both analytically and numerically, the third added species can enhance or even suppress the emergence of quasi-cycles, namely the coherent oscillations of the two original populations, as instigated by the demographic noise component. In general, investigating the coupled dynamics of noisy oscillators of the type considered could yield an extended framework for synchronization studies, beyond the pioneering setting introduced by Kuramoto.

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Francesca Di Patti, Duccio Fanelli, Perla Rosi. 2026-06-17. Noise seeded oscillators: on the role of demographic fluctuations in a multi-populations model. https://arxiv.org/abs/2606.19181

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