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With the rapid increase of valuable observational, experimental and simulating data for complex systems, great efforts are being devoted to discovering governing laws underlying the evolution of these systems. However, the existing…

机器学习 · 统计学 2021-02-03 Yang Li , Jinqiao Duan

Using key tools such as It\^o formula for general semi-martingales, moments estimates for L\'{e}vy-type stochastic integrals and properties of regular varying functions we find conditions under which solutions of stochastic differential…

概率论 · 数学 2024-02-09 I. Orlovskyi , F. Proske , O. Tymoshenko

The goal of the paper is to analytically examine escape probabilities for dynamical systems driven by symmetric $\alpha$-stable L\'evy motions. Since escape probabilities are solutions of a type of integro-differential equations (i.e.,…

概率论 · 数学 2014-02-18 Huijie Qiao , Jinqiao Duan

In this paper, we show the existence and uniqueness of a strong solution to stochastic 3D tamed Navier-Stokes equations driven by multiplicative Levy noise with periodic boundary conditions. Then we establish the large deviation principles…

概率论 · 数学 2020-02-24 Zhao Dong , Rangrang Zhang

Advances in data science are leading to new progresses in the analysis and understanding of complex dynamics for systems with experimental and observational data. With numerous physical phenomena exhibiting bursting, flights, hopping, and…

统计理论 · 数学 2022-02-09 Yang Li , Jinqiao Duan

A numerical approach for the approximation of inertial manifolds of stochastic evolutionary equations with multiplicative noise is presented and illustrated. After splitting the stochastic evolutionary equations into a backward and a…

动力系统 · 数学 2012-06-22 Xingye Kan , Jinqiao Duan , Ioannis G. Kevrekidis , Anthony J. Roberts

Langevin simulation provides an effective way to study collisional effects in beams by reducing the six-dimensional Fokker-Planck equation to a group of stochastic ordinary differential equations. These resulting equations usually have…

加速器物理 · 物理学 2007-05-23 Ji Qiang , Salman Habib

We investigate some recursive procedures based on an exact or ``approximate'' Euler scheme with decreasing step in vue to computation of invariant measures of solutions to S.D.E. driven by a L\'evy process. Our results are valid for a large…

概率论 · 数学 2008-04-02 Fabien Panloup

This work is concerned with existence of weak solutions to discon- tinuous stochastic differential equations driven by multiplicative Gaus- sian noise and sliding mode control dynamics generated by stochastic differential equations with…

最优化与控制 · 数学 2015-04-27 Viorel Barbu , Stefano Bonaccorsi , Luciano Tubaro

Stochastic dynamical systems allow modelling of transitions induced by disturbances, in particular from an attracting equilibrium and crossing the stable manifold of a saddle. In the small-noise limit, the probability of such transitions is…

统计力学 · 物理学 2025-09-05 Jiayao Shao , Tobias Grafke , Robert S. MacKay

We consider the simulation of a system of decoupled forward-backward stochastic differential equations (FBSDEs) driven by a pure jump L\'evy process $L$ and an independent Brownian motion $B$. We allow the L\'evy process $L$ to have an…

概率论 · 数学 2023-06-13 Till Massing

With the rapid increase of valuable observational, experimental and simulated data for complex systems, much efforts have been devoted to identifying governing laws underlying the evolution of these systems. Despite the wide applications of…

机器学习 · 统计学 2021-10-01 Yang Li , Yubin Lu , Shengyuan Xu , Jinqiao Duan

This paper investigates the two-dimensional stochastic steady-state Navier-Stokes(NS) equations with additive random noise. We introduce an innovative splitting method that decomposes the stochastic NS equations into a deterministic NS…

数值分析 · 数学 2025-04-23 Jie Zhu , Yujun Zhu , Ju Ming , Max D. Gunzburger

It is well understood that, when numerically simulating SDEs with general noise, achieving a strong convergence rate better than $O(\sqrt{h})$ (where h is the step size) requires the use of certain iterated integrals of Brownian motion,…

机器学习 · 统计学 2026-01-01 Andraž Jelinčič , Jiajie Tao , William F. Turner , Thomas Cass , James Foster , Hao Ni

This paper establishes a stochastic maximum principle for optimal control problems governed by time-changed forward-backward stochastic differential equations with L\'evy noise. The system incorporates a random, non-decreasing operational…

最优化与控制 · 数学 2026-03-27 Jingwei Chen , Jun Ye , Feng Chen

A splitting scheme for backward doubly stochastic differential equations is proposed. The main idea is to decompose a backward doubly stochastic differential equation into a backward stochastic differential equation and a stochastic…

数值分析 · 数学 2021-03-17 Feng Bao , Yanzhao Cao , He Zhang

In this work we study high probability bounds for stochastic subgradient methods under heavy tailed noise. In this setting the noise is only assumed to have finite variance as opposed to a sub-Gaussian distribution for which it is known…

最优化与控制 · 数学 2024-04-16 Daniela A. Parletta , Andrea Paudice , Massimiliano Pontil , Saverio Salzo

We study the existence and uniqueness of solutions to stochastic differential equations with Volterra processes driven by L\'evy noise. For this purpose, we study in detail smoothness properties of these processes. Special attention is…

概率论 · 数学 2020-08-26 Giulia Di Nunno , Yuliya Mishura , Kostiantyn Ralchenko

We study the existence and uniqueness, the regularity, and the long-time behavior of strong solutions to stochastic curve shortening flow driven by a transport-type pure jump L\'evy noise. To obtain the existence and uniqueness of strong…

概率论 · 数学 2026-05-12 Xiaotian Ge , Shijie Shang , Weina Wu , Jianliang Zhai

We analyze a specific class of random systems that are driven by a symmetric L\'{e}vy stable noise. In view of the L\'{e}vy noise sensitivity to the confining "potential landscape" where jumps take place (in other words, to environmental…

统计力学 · 物理学 2015-06-11 M. Zaba , P. Garbaczewski , V. Stephanovich