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We consider particle systems that evolve by inertialess binary interaction through general non-attractive kernels of singularity $|x|^{-\alpha}$ with $\alpha<d-1$. We prove a quantitative mean-field limit in terms of Wasserstein distances…

偏微分方程分析 · 数学 2025-09-18 Richard M. Höfer , Richard Schubert

In this article, we adapt the work of Jabin and Wang (2018) to show the first result of uniform in time propagation of chaos for a class of singular interaction kernels. In particular, our models contain the Biot-Savart kernel on the torus…

概率论 · 数学 2023-10-05 Arnaud Guillin , Pierre Le Bris , Pierre Monmarché

We consider mean-field limits for overdamped Langevin dynamics of $N$ particles with possibly singular interactions. It has been shown that a modulated free energy method can be used to prove the mean-field convergence or propagation of…

概率论 · 数学 2023-07-18 Matthew Rosenzweig , Sylvia Serfaty

We study a quasilinear parabolic Cauchy problem with a cumulative distribution function on the real line as an initial condition. We call 'probabilistic solution' a weak solution which remains a cumulative distribution function at all…

概率论 · 数学 2014-03-13 Benjamin Jourdain , Julien Reygner

In this work, we prove the well-posedness and propagation of chaos for a stochastic particle system in mean-field interaction under the assumption that the interacting kernel belongs to a suitable $L_t^q-L_x^p$ space. Contrary to the large…

概率论 · 数学 2023-07-19 Milica Tomašević

Boltzmann's equation provides a microscopic model for the evolution of dilute classical gases. A fundamental problem in mathematical physics is to rigorously derive Boltzmann's equation starting from Newton's laws. In the 1970s, Oscar…

偏微分方程分析 · 数学 2017-07-03 Ryan Denlinger

We study a physical system of $N$ interacting particles in $\mathbb{R}^d$, $d\geq1$, subject to pair repulsion and confined by an external field. We establish a large deviations principle for their empirical distribution as $N$ tends to…

概率论 · 数学 2014-09-09 Djalil Chafaï , Nathael Gozlan , Pierre-André Zitt

We consider a system of N point particles moving on a d-dimensional torus. Each particle is subject to a uniform field E and random speed conserving collisions. This model is a variant of the Drude-Lorentz model of electrical conduction. In…

数学物理 · 物理学 2015-06-16 F. Bonetto , E. A. Carlen , R. Esposito , J. L. Lebowitz , R. Marra

We prove the quantitative propagation of chaos for stochastic particle systems with interaction in both the drift and the diffusion coefficients, provided the drift kernel is bounded and free of Lipschitz or smoothness assumptions. Our…

偏微分方程分析 · 数学 2026-04-14 Ning Jiang , Rongli Mo

In this paper, a general result on the long time $\W_0$-$\widetilde{\W}_1$ type propagation of chaos, propagation of chaos with regularization effect, for mean field interacting particle system driven by L\'{e}vy noise is derived, where…

概率论 · 数学 2024-08-20 Xing Huang , Fen-Fen Yang , Chenggui Yuan

In this paper, we study diffusions with bounded pairwise interaction. We show for the first time propagation of chaos on arbitrary time horizons in a stronger $L^2$-based distance, as opposed to the usual Wasserstein or relative entropy…

概率论 · 数学 2025-03-12 Elias Hess-Childs , Keefer Rowan

We review the occurrence of the patterns of the onset of chaos in low-dimensional nonlinear dissipative systems in leading topics of condensed matter physics and complex systems of various disciplines. We consider the dynamics associated…

统计力学 · 物理学 2018-11-14 Carlos Velarde , Alberto Robledo

We prove a quantitative propagation of chaos, uniformly in time, for the spatially homogeneous Landau equation in the case of Maxwellian molecules. We improve the results of Fontbona, Gu\'erin and M\'el\'eard \cite{FonGueMe} and Fournier…

偏微分方程分析 · 数学 2014-07-15 Kleber Carrapatoso

We consider the mean-field limit of systems of particles with singular interactions of the type $-\log|x|$ or $|x|^{-s}$, with $0< s<d-2$, and with an additive noise in dimensions $d \geq 3$. We use a modulated-energy approach to prove a…

偏微分方程分析 · 数学 2021-08-24 Matthew Rosenzweig , Sylvia Serfaty

The propagation of chaos is a central concept of kinetic theory that serves to relate the equations of Boltzmann and Vlasov to the dynamics of many-particle systems. Propagation of chaos means that molecular chaos, i.e., the stochastic…

概率论 · 数学 2007-05-23 Alexander David Gottlieb

We consider conservative and gradient flows for $N$-particle Riesz energies with mean-field scaling on the torus $\mathbb{T}^d$, for $d\geq 1$, and with thermal noise of McKean-Vlasov type. We prove global well-posedness and relaxation to…

偏微分方程分析 · 数学 2023-04-12 Antonin Chodron de Courcel , Matthew Rosenzweig , Sylvia Serfaty

We consider a $N$-particle interacting particle system with the vision geometrical constraints and reflected noises, proposed as a model for collective behavior of individuals. We rigorously derive a continuity-type of mean-field equation…

偏微分方程分析 · 数学 2017-05-12 Young-Pil Choi , Samir Salem

We investigate the large time behavior of $N$ particles restricted to a smooth closed curve in $\mathbb{R}^d$ and subject to a gradient flow with respect to Euclidean hyper-singular repulsive Riesz $s$-energy with $s>1.$ We show that…

动力系统 · 数学 2020-10-13 Douglas Hardin , Edward B. Saff , Ruiwen Shu , Eitan Tadmor

The notion of propagation of chaos for large systems of interacting particles originates in statistical physics and has recently become a central notion in many areas of applied mathematics. The present review describes old and new methods…

概率论 · 数学 2023-02-15 Louis-Pierre Chaintron , Antoine Diez

The notion of propagation of chaos for large systems of interacting particles originates in statistical physics and has recently become a central notion in many areas of applied mathematics. The present review describes old and new methods…

概率论 · 数学 2023-02-15 Louis-Pierre Chaintron , Antoine Diez