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Related papers: Relaxation dynamics of the Inertial Winfree model

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We show that for the standard sinusoidal Winfree model, a coupling strength exceeding twice the maximal magnitude of the intrinsic frequencies guarantees the convergence of the system for Lebesgue almost every initial data. This is proven…

Classical Analysis and ODEs · Mathematics 2026-01-21 Seung-Yeon Ryoo

We propose a generalized matrix-valued synchronization model which can be regarded as matrix generalization of the classical Winfree model to the special orthogonal group, and we provide several sufficient frameworks leading to the emergent…

Dynamical Systems · Mathematics 2026-04-29 Seung-Yeal Ha , Chaejoo Lee , Eunjun Lee , Jaemoon Lee , Seung-Yeon Ryoo

We study the emergence of phase-locking for Winfree oscillators under the effect of inertia. It is known that in a large coupling regime, oscillators governed by the deterministic second-order Winfree model with inertia converge to a unique…

Dynamical Systems · Mathematics 2022-05-30 Myeongju Kang , Marco Rehmeier

In this work, we study the inertial Kuramoto model, which is a second-order extension of the classical first-order Kuramoto model, as an inertial perturbation of the first-order Kuramoto model. We develop a quantitative Tikhonov theorem,…

Dynamical Systems · Mathematics 2025-08-18 Hangjun Cho , Jiu-Gang Dong , Seung-Yeal Ha , Seung-Yeon Ryoo

We study the measure-valued death state and local sensitivity analysis of the Winfree model and its mean-field counterpart with uncertain high-order couplings. The Winfree model is the first mathematical model for synchronization, and it…

Analysis of PDEs · Mathematics 2025-06-13 Seung-Yeal Ha , Myeongju Kang , Jaeyoung Yoon , Mattia Zanella

We consider an anisotropic first-order ODE aggregation model and its approximation by a second-order relaxation system. The relaxation model contains a small parameter $\varepsilon$, which can be interpreted as inertia or response time. We…

Classical Analysis and ODEs · Mathematics 2016-08-26 Joep H. M. Evers , Razvan C. Fetecau , Weiran Sun

The Winfree model is a phase-coupled synchronization model which simplifies pulse-coupled models such as the Peskin model on pacemaker cells. It is well-known that the Winfree ensemble with the first-order coupling exhibits discrete…

Dynamical Systems · Mathematics 2023-02-08 Dongnam Ko , Seung-Yeal Ha , Jaeyoung Yoon

Synchronization systems with effective inertia, such as power grid networks and coupled electromechanical oscillators, are commonly modeled by the second-order Kuramoto model. In the forward process, numerical simulations exhibit a…

Physics and Society · Physics 2026-04-01 Gug Young Kim , Mi Jin Lee , Seung-Woo Son

A two-dimensional lattice of oscillators with identical (zero) intrinsic frequencies and Kuramoto type of interactions with randomly frustrated couplings is considered. Starting the time evolution from slightly perturbed synchronized…

Disordered Systems and Neural Networks · Physics 2025-05-06 Róbert Juhász , Géza Ódor

We discuss the appearance of oscillatory and standing wave states in second-order oscillator networks showing that it is a special case of a more general mechanism involving secondary synchronized clusters induced by inertia. Using a…

Adaptation and Self-Organizing Systems · Physics 2020-12-29 Jian Gao , Konstantinos Efstathiou

We consider $N$ oscillators coupled by a mean field as in the Winfree model. The model is governed by two parameters: the coupling strength $\kappa$ and the spectrum width $\gamma$ of the frequencies of each oscillator. In the uncoupled…

Dynamical Systems · Mathematics 2016-07-18 W Oukil , A Kessi , Ph Thieullen

We study the dynamics of a system of coupled oscillators of distributed natural frequencies, by including the features of both thermal noise, parametrized by a temperature, and inertial terms, parametrized by a moment of inertia. For a…

Statistical Mechanics · Physics 2014-07-11 Shamik Gupta , Alessandro Campa , Stefano Ruffo

We investigate the emergence of synchronization in the second-order Kuramoto model with adaptive simplicial interactions on a globally connected network. This inertial Kuramoto framework describes systems, where oscillator frequencies…

Adaptation and Self-Organizing Systems · Physics 2026-04-14 Priyanka Rajwani , Sarika Jalan

We study numerically the oscillation death state in the phase oscillator model proposed byWinfree. We found that the phases in this state follow very simple rules, actually, besides intrinsic properties of the oscillators, such as natural…

Adaptation and Self-Organizing Systems · Physics 2016-11-22 Rafael S. Pinto

We study the synchronization of oscillators with inertias and phase shifts, namely the second-order Kuramoto-Sakaguchi model. Using the self-consistent method, we find that the effect of inertia is the introduction of effective phase…

Adaptation and Self-Organizing Systems · Physics 2020-12-29 Jian Gao , Konstantinos Efstathiou

A theorem of Varchenko gives the order of decay of the leading term of the asymptotic expansion of a degenerate oscillatory integral with real-analytic phase in two dimensions. His theorem expresses this order of decay in a simple geometric…

Classical Analysis and ODEs · Mathematics 2009-06-09 Michael Greenblatt

Onset and loss of synchronization in coupled oscillators are of fundamental importance in understanding emergent behavior in natural and man-made systems, which range from neural networks to power grids. We report on experiments with…

Adaptation and Self-Organizing Systems · Physics 2020-10-14 Dumitru Călugăru , Jan Frederik Totz , Erik A. Martens , Harald Engel

We study the relaxation dynamics of the inertial Kuramoto model toward a phase-locked state from a generic initial phase configuration. For this, we propose a sufficient framework in terms of initial data and system parameters for…

Dynamical Systems · Mathematics 2025-08-29 Hangjun Cho , Jiu-Gang Dong , Seung-Yeal Ha , Seung-Yeon Ryoo

We present a high-dimensional Winfree model in this paper. The Winfree model is the first mathematical model for synchronization on the circle. We generalize this model to the high-dimensional sphere and we call it "the Winfree sphere…

Mathematical Physics · Physics 2021-02-10 Hansol Park

Out of time ordered correlators (OTOCs) are useful tools for investigating foundational questions such as thermalization in closed quantum systems because they can potentially distinguish between integrable and nonintegrable dynamics. Here…

Statistical Mechanics · Physics 2023-10-04 Jonathon Riddell , Wyatt Kirkby , D. H. J. O'Dell , Erik S. Sørensen
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