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We investigate a Cucker-Smale-type flocking model for multi-agent systems that move with constant speed. The model incorporates both kinematic observables and internal energy (temperatures) in the agents' interactions. Traditionally,…

经典分析与常微分方程 · 数学 2023-04-04 Hyunjin Ahn , Junhyeok Byeon , Seung-Yeal Ha

We propose a generalized Kuramoto model with relativistic effects and investigate emergent asymptotic behaviors. The proposed generalized Kuramoto model incorporates relativistic Kuramoto(RK) type models which can be derived from the…

动力系统 · 数学 2021-04-14 Chan Ho Min , Hyunjin Ahn , Seung-Yeal Ha , Myeongju Kang

Higher order interactions can lead to new equilibrium states and bifurcations in systems of coupled oscillators described by the Kuramoto model. However, even in the simplest case of 3-body interactions there are more than one possible…

物理与社会 · 物理学 2025-05-21 Guilherme S. Costa , Marcel Novaes , Marcus A. M. de Aguiar

In this paper, we study sufficient conditions for the emergence of asymptotic consensus and flocking in a certain class of non-linear generalised Cucker-Smale systems subject to multiplicative communication failures. Our approach is based…

最优化与控制 · 数学 2021-05-04 Benoît Bonnet , Émilien Flayac

In this chapter, we present the Cucker-Smale type flocking models, and discuss their mathematical structures and flocking theorems in terms of coupling strength, interaction topologies and initial data. In 2007, two mathematicians Felipe…

偏微分方程分析 · 数学 2016-04-19 Young-Pil Choi , Seung-Yeal Ha , Zhuchun Li

We obtain exact results on autocorrelation of the order parameter in the nonequilibrium stationary state of a paradigmatic model of spontaneous collective synchronization, the Kuramoto model of coupled oscillators, evolving in presence of…

统计力学 · 物理学 2018-10-10 Debraj Das , Shamik Gupta

Model reduction techniques have been widely used to study the collective behavior of globally coupled oscillators. However, most approaches assume that there are infinitely many oscillators. Here we propose a new ansatz, based on the…

适应与自组织系统 · 物理学 2020-08-10 Lachlan D Smith , Georg A Gottwald

We study a simple two-dimensional swarmalator model that incorporates higher-order phase interactions, uncovering a diverse range of collective states. The latter include spatially coherent and gas-like configurations, neither of which…

适应与自组织系统 · 物理学 2025-04-24 Md Sayeed Anwar , Gourab Kumar Sar , Timoteo Carletti , Dibakar Ghosh

This paper addresses the consensus of a class of uncertain nonlinear fractional-order multi-agent systems (FOMAS). First a fractional non-fragile dynamic output feedback controller is put forward via the output measurements of neighboring…

最优化与控制 · 数学 2021-12-14 Elyar Zavary , Pouya Badri , Mahdi Sojoodi

A paradigmatic framework to study the phenomenon of spontaneous collective synchronization is provided by the Kuramoto model comprising a large collection of limit-cycle oscillators of distributed frequencies that are globally coupled…

适应与自组织系统 · 物理学 2020-09-08 Mrinal Sarkar , Shamik Gupta

We study the emergent collective behaviors for an ensemble of identical Kuramoto oscillators under the effect of inertia. In the absence of inertial effects, it is well known that the generic initial Kuramoto ensemble relaxes to the…

动力系统 · 数学 2017-07-25 Young-Pil Choi , Seung-Yeal Ha , Javier Morales

We derive an explicit form for the Cucker-Smale (CS) model on the special orthogonal group $\mathrm{SO}(3)$ by identifying closed form expressions for geometric quantities such as covariant derivative and parallel transport in exponential…

动力系统 · 数学 2021-03-12 Razvan C. Fetecau , Seung-Yeal Ha , Hansol Park

In this paper, we deal with first and second-order alignment models with non-universal interaction, time delay and possible lack of connection between the agents. More precisely, we analyze the situation in which the system's agents do not…

最优化与控制 · 数学 2025-08-26 Chiara Cicolani , Elisa Continelli , Cristina Pignotti

Synchronization is an important phenomenon in a wide variety of systems comprising interacting oscillatory units, whether natural (like neurons, biochemical reactions, cardiac cells) or artificial (like metronomes, power grids, Josephson…

适应与自组织系统 · 物理学 2025-01-13 Guilherme S. Costa , Marcel Novaes , Marcus A. M. de Aguiar

Stochastic resetting has emerged as a powerful mechanism for driving systems into nonequilibrium stationary states with tunable properties. While most existing studies focus on global resetting, where all degrees of freedom are…

统计力学 · 物理学 2026-04-07 Rupak Majumder , Anish Acharya , Shamik Gupta

We analyse the asymptotic behavior for kinetic models describing the collective behavior of animal populations. We focus on models for self-propelled individuals, whose velocity relaxes toward the mean orientation of the neighbors. The…

偏微分方程分析 · 数学 2019-02-01 P. Aceves-Sánchez , M. Bostan , J. A. Carrillo , P. Degond

We study a Cucker-Smale-type flocking model with distributed time delay where individuals interact with each other through normalized communication weights. Based on a Lyapunov functional approach, we provide sufficient conditions for the…

偏微分方程分析 · 数学 2019-07-16 Young-Pil Choi , Cristina Pignotti

We introduce a Cucker-Smale-type model for flocking, where the strength of interaction between two agents depends on their relative separation (called "topological distance" in previous works), which is the number of intermediate…

动力系统 · 数学 2015-06-12 Jan Haskovec

We study the collective behavior in a stochastic agent-based model of active matter. Provided a critical take-up of energy, agents produce two types of goods $x$, $y$ that follow a generalized Lotka-Volterra dynamics. For isolated agents,…

适应与自组织系统 · 物理学 2025-10-20 Frank Schweitzer , Georges Andres , Adrien Baut , Giona Casiraghi , Christoph Gote , Ramona Roller

Non-reciprocal couplings are frequently found in systems out-of-equilibrium such as neuronal networks. We consider generalized Kuramoto models with non-reciprocal adaptive couplings. The non-reciprocity refers to the type of couplings…

适应与自组织系统 · 物理学 2026-02-24 Sayantan Nag Chowdhury , Hildegard Meyer-Ortmanns