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We consider heterogeneously interacting diffusive particle systems and their large population limit. The interaction is of mean field type with weights characterized by an underlying graphon. A law of large numbers result is established as…

概率论 · 数学 2022-10-07 Erhan Bayraktar , Suman Chakraborty , Ruoyu Wu

In this paper, we consider graphon particle systems with heterogeneous mean-field type interactions and the associated finite particle approximations. Under suitable growth (resp. convexity) assumptions, we obtain uniform-in-time…

概率论 · 数学 2022-10-21 Erhan Bayraktar , Ruoyu Wu

We study heterogeneously interacting diffusive particle systems with mean-field type interaction characterized by an underlying graphon and their finite particle approximations. Under suitable conditions, we obtain exponential concentration…

概率论 · 数学 2026-01-14 Erhan Bayraktar , Donghan Kim

We study a class of graphon particle systems with time-varying random coefficients. In a graphon particle system, the interactions among particles are characterized by the coupled mean field terms through an underlying graphon and the…

系统与控制 · 电气工程与系统科学 2025-10-02 Yan Chen , Tao Li , Xiaofeng Zong

We consider a system of $N$ particles whose interactions are characterized by a (weighted) graph $G^N$. Each particle is a node of the graph with an internal state. The state changes according to Markovian dynamics that depend on the states…

概率论 · 数学 2024-05-15 Sebastian Allmeier , Nicolas Gast

In this article, we study the large-population limit of interacting particle systems posed on weighted random graphs. In that aim, we introduce a general framework for the construction of weighted random graphs, generalizing the concept of…

偏微分方程分析 · 数学 2023-07-25 Nathalie Ayi , Nastassia Pouradier Duteil

We consider a general interacting particle system with interactions on a random graph, and study the large population limit of this system. When the sequence of underlying graphs converges to a graphon, we show convergence of the…

概率论 · 数学 2024-10-16 Carla Crucianelli , Ludovic Tangpi

In this paper, we consider a system of heterogeneously interacting quantum particles subject to indirect continuous measurement. The interaction is assumed to be of the mean-field type. We derive a new limiting quantum graphon system, prove…

偏微分方程分析 · 数学 2024-05-15 Sofiane Chalal , Nina H. Amini , Gaoyue Guo , Hamed Amini

We address a system of weakly interacting particles where the heterogenous connections among the particles are described by a graph sequence and the number of particles grows to infinity. Our results extend the existing law of large numbers…

概率论 · 数学 2025-06-03 Fabio Coppini , Anna De Crescenzo , Huyen Pham

We consider a system consisting of $n$ particles, moving forward in jumps on the real line. System state is the empirical distribution of particle locations. Each particle ``jumps forward'' at some time points, with the instantaneous rate…

概率论 · 数学 2023-03-03 Alexander Stolyar

We consider a general framework for multi-type interacting particle systems on graphs, where particles move one at a time by random walk steps, different types may have different speeds, and may interact, possibly randomly, when they meet.…

概率论 · 数学 2025-05-15 John Haslegrave , Peter Keevash

We consider weakly interacting diffusions on time varying random graphs. The system consists of a large number of nodes in which the state of each node is governed by a diffusion process that is influenced by the neighboring nodes. The…

概率论 · 数学 2017-02-16 Shankar Bhamidi , Amarjit Budhiraja , Ruoyu Wu

Fokker-Planck equations represent a suitable description of the finite-time behavior for a large class of particle systems as the size of the population tends to infinity. Recently, the theory of graph limits has been introduced in the…

概率论 · 数学 2022-03-24 Fabio Coppini

We study the existence and the exponential ergodicity of a general interacting particle system, whose components are driven by independent diffusion processes with values in an open subset of $\mathds{R}^d$, $d\geq 1$. The interaction…

概率论 · 数学 2010-12-01 Denis Villemonais

We consider a collection of weakly interacting diffusion processes moving in a two-scale locally periodic environment. We study the large deviations principle of the empirical distribution of the particles' positions in the combined limit…

概率论 · 数学 2022-11-03 Zachary Bezemek , Konstantinos Spiliopoulos

The article considers systems of interacting particles on networks with adaptively coupled dynamics. Such processes appear frequently in natural processes and applications. Relying on the notion of graph convergence, we prove that for large…

动力系统 · 数学 2026-05-20 Sebastian Throm

We study interacting particle systems on the real line which generalize the Hammersley process [D. Aldous and P. Diaconis, Prob. Theory Relat. Fields 103, 199-213 (1995)]. Particles jump to the right to a randomly chosen point between their…

统计力学 · 物理学 2011-05-20 J. Krug , J. Garcia

Brownian yet non-Gaussian phenomenon has recently been observed in many biological and active matter systems. The main idea of explaining this phenomenon is to introduce a random diffusivity for particles moving in inhomogeneous…

统计力学 · 物理学 2022-01-19 Xudong Wang , Yao Chen

In this article we show, in a concise manner, a result of uniform in time propagation of chaos for non exchangeable systems of particles interacting according to a random graph. Provided the interaction is Lipschitz continuous, the…

概率论 · 数学 2023-04-18 Pierre Le Bris , Christophe Poquet

Deterministic diffusive systems such as the periodic Lorentz gas, multi-baker map, as well as spatially periodic systems of interacting particles, have non-equilibrium stationary states with fractal properties when put in contact with…

统计力学 · 物理学 2009-08-28 Felipe Barra , Pierre Gaspard , Thomas Gilbert
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