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A marginal problem asks whether a given family of marginal distributions for some set of random variables arises from some joint distribution of these variables. Here we point out that the existence of such a joint distribution imposes…

信息论 · 计算机科学 2013-01-25 Tobias Fritz , Rafael Chaves

We investigate the mean-field dynamics of stochastic McKean differential equations with heterogeneous particle interactions described by large network structures. To express a wide range of graphs, from dense to sparse structures, we…

偏微分方程分析 · 数学 2024-09-18 Christian Kuehn , Tobias Wöhrer

A method for analyzing non-asymptotic guarantees of numerical discretizations of ergodic SDEs in Wasserstein-2 distance is presented by Sanz-Serna and Zygalakis in ``Wasserstein distance estimates for the distributions of numerical…

机器学习 · 统计学 2024-12-03 Daniel Paulin , Peter A. Whalley

We establish the existence of probabilistically weak, renormalized kinetic solutions to the Dean--Kawasaki equation with singular interaction kernels, including those of Biot--Savart and Keller--Segel type. Under a suitable regularization…

概率论 · 数学 2026-05-14 Xiaohao Ji , Yue Sun , Zhengyan Wu

We propose a fast potential splitting Markov Chain Monte Carlo method which costs $O(1)$ time each step for sampling from equilibrium distributions (Gibbs measures) corresponding to particle systems with singular interacting kernels. We…

计算物理 · 物理学 2020-10-13 Lei Li , Zhenli Xu , Yue Zhao

We address the inverse problem of identifying nonlocal interaction potentials in nonlinear aggregation-diffusion equations from noisy discrete trajectory data. Our approach involves formulating and solving a regularized variational problem,…

偏微分方程分析 · 数学 2025-01-31 Jose A. Carrillo , Gissell Estrada-Rodriguez , Laszlo Mikolas , Sui Tang

In this paper, we derive exponential ergodicity in relative entropy for general kinetic SDEs under a partially dissipative condition. It covers non-equilibrium situations where the forces are not of gradient type and the invariant measure…

概率论 · 数学 2025-07-10 Xing Huang , Eva Kopfer , Pierre Monmarché , Panpan Ren

The work concerns a type of backward multivalued McKean-Vlasov stochastic differential equations. First, we prove the existence and uniqueness of solutions for backward multivalued McKean-Vlasov stochastic differential equations. Then, it…

概率论 · 数学 2022-12-09 Jun Gong , Huijie Qiao

We study a class of non linear integro-differential equations on the Wasserstein space related to the optimal control of McKean--Vlasov jump-diffusions. We develop an intrinsic notion of viscosity solutions that does not rely on the lifting…

最优化与控制 · 数学 2019-10-03 Matteo Burzoni , Vincenzo Ignazio , A. Max Reppen , H. Mete Soner

In this paper, we first establish well-posedness of McKean-Vlasov stochastic differential equations (McKean-Vlasov SDEs) with common noise, possibly with coefficients having super-linear growth in the state variable. Second, we present…

概率论 · 数学 2020-06-02 Chaman Kumar , Neelima , Christoph Reisinger , Wolfgang Stockinger

This paper investigates a function of macroscopic variables known as the singular potential, building on previous work by Ball and Majumdar. The singular potential is a function of the admissible statistical averages of probability…

偏微分方程分析 · 数学 2016-07-18 Jamie M. Taylor

We discuss a class of coupled systems of nonlocal nonlinear balance laws modeling multilane traffic, with the nonlocality present in both convective and source terms. The uniqueness and existence of the entropy solution are proven via…

数值分析 · 数学 2025-07-11 Aekta Aggarwal , Helge Holden , Ganesh Vaidya

We present a theory of optimal control for McKean-Vlasov stochastic differential equations with infinite time horizon and discounted gain functional. We first establish the well-posedness of the state equation and of the associated control…

最优化与控制 · 数学 2025-03-27 Silvia Rudà

We develop a new approach to study the long time behaviour of solutions to nonlinear stochastic differential equations in the sense of McKean, as well as propagation of chaos for the corresponding mean-field particle system approximations.…

概率论 · 数学 2022-11-15 Alain Durmus , Andreas Eberle , Arnaud Guillin , Katharina Schuh

We present a new class of interacting Markov chain Monte Carlo algorithms for solving numerically discrete-time measure-valued equations. The associated stochastic processes belong to the class of self-interacting Markov chains. In contrast…

概率论 · 数学 2010-09-30 Pierre Del Moral , Arnaud Doucet

Mixture distributions arise in many parametric and non-parametric settings -- for example, in Gaussian mixture models and in non-parametric estimation. It is often necessary to compute the entropy of a mixture, but, in most cases, this…

信息论 · 计算机科学 2022-11-22 Artemy Kolchinsky , Brendan D. Tracey

In many contemporary statistical and machine learning methods, one needs to optimize an objective function that depends on the discrepancy between two probability distributions. The discrepancy can be referred to as a metric for…

机器学习 · 计算机科学 2025-02-11 Yijin Ni , Xiaoming Huo

This paper is devoted to the problem of approximating non-linear Stochastic Partial Differential Equations (SPDEs) via interacting particle systems. In particular, we consider the Stochastic McKean-Vlasov equation, which is the…

概率论 · 数学 2024-04-12 Letizia Angeli , Dan Crisan , Martin Kolodziejczyk , Michela Ottobre

The stochastic interpolant framework offers a powerful approach for constructing generative models based on ordinary differential equations (ODEs) or stochastic differential equations (SDEs) to transform arbitrary data distributions.…

机器学习 · 计算机科学 2025-07-29 Yuhao Liu , Yu Chen , Rui Hu , Longbo Huang

We study a finite system of diffusions on the half-line, absorbed when they hit zero, with a correlation effect that is controlled by the proportion of the processes that have been absorbed. As the number of processes in the system becomes…

概率论 · 数学 2018-02-02 Ben Hambly , Sean Ledger
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