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Kyungpook Mathematical Journal 2024; 64(4): 559-578

Published online December 31, 2024 https://doi.org/10.5666/KMJ.2024.64.4.559

Copyright © Kyungpook Mathematical Journal.

Synchronization Estimate of the Discrete Kuramoto Model with Multiplicative Random Noise

Woojoo Shim

Department of Mathematics Education, Kyungpook National University, Daegu 41566, Republic of Korea
e-mail: wjshim@knu.ac.kr

Received: September 7, 2024; Accepted: September 13, 2024

Abstract

We study the onset of synchronization in the time-discretization of the Kuramoto model with multiplicative noise. Specifically, we present a sufficient condition that ensures that, starting from generic initial data, identical oscillators in the discrete-time Kuramoto model with multiplicative noise will be asymptotically synchronized almost surely.

Keywords: Kuramoto model, order parameter, synchronization, Euler- Maruyama method