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In this paper we introduce a variable order time fractional differential equation driven by pure jump L\'evy noise, which models the motion of a particle exhibiting memory effect. We prove the well-posedness of this equation without…

概率论 · 数学 2024-12-24 Peixue Wu , Zhiwei Yang , Hong Wang , Renming Song

In this article, we employ a collection of stochastic differential equations with drift and diffusion coefficients approximated by neural networks to predict the trend of chaotic time series which has big jump properties. Our contributions…

机器学习 · 计算机科学 2022-11-04 Luxuan Yang , Ting Gao , Yubin Lu , Jinqiao Duan , Tao Liu

In this paper, we study almost periodic solutions for semilinear stochastic differential equations driven by L\'{e}vy noise with exponential dichotomy property. Under suitable conditions on the coefficients, we obtain the existence and…

概率论 · 数学 2014-04-29 Yan Wang

Statistical inference for stochastic processes based on high-frequency observations has been an active research area for more than a decade. One of the most well-known and widely studied problems is that of estimation of the quadratic…

计量经济学 · 经济学 2022-02-03 B. Cooper Boniece , José E. Figueroa-López , Yuchen Han

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

This paper presents the nonparametric inference for nonlinear volatility functionals of general multivariate It\^o semimartingales, in high-frequency and noisy setting. Pre-averaging and truncation enable simultaneous handling of noise and…

统计理论 · 数学 2019-11-11 Richard Y. Chen

In this paper we study general nonlinear stochastic differential equations, where the usual Brownian motion is replaced by a L\'evy process. We also suppose that the coefficient multiplying the increments of this process is merely Lipschitz…

概率论 · 数学 2007-07-19 Benjamin Jourdain , Sylvie Méléard , Wojbor Woyczynski

In this paper, we use a unified framework to study Poisson stable (including stationary, periodic, quasi-periodic, almost periodic, almost automorphic, Birkhoff recurrent, almost recurrent in the sense of Bebutov, Levitan almost periodic,…

动力系统 · 数学 2020-02-04 Xin Liu , Zhenxin Liu

Semilinear stochastic evolution equations with multiplicative L\'evy noise and monotone nonlinear drift are considered. Unlike other similar work we do not impose coercivity conditions on coefficients. Existence and uniqueness of the mild…

概率论 · 数学 2013-12-03 Erfan Salavati , Bijan Z. Zangeneh

General stochastic equations with jumps are studied. We provide criteria for the uniqueness and existence of strong solutions under non-Lipschitz conditions of Yamada-Watanabe type. The results are applied to stochastic equations driven by…

概率论 · 数学 2010-08-04 Zenghu Li , Leonid Mytnik

This paper considers stochastic population dynamics driven by Levy noise. The contributions of this paper lie in that (a) Using Khasminskii-Mao theorem, we show that the stochastic differential equation associated with the model has a…

概率论 · 数学 2011-05-09 Jianhai Bao , Chenggui Yuan

This paper is devoted to the study of an averaging principle for fractional stochastic differential equations in Rnwith L\'evy motion, using an integral transform method. We obtain a time-averaged equation under suitable assumptions.…

概率论 · 数学 2020-04-21 Wenjing Xu , Jinqiao Duan , Wei Xu

In a high-frequency context, we investigate the efficient estimation of scaling and jump activity parameters for a stochastic differential equation driven by a L{\'e}vy process with both diffusion component and pure-jump component. We first…

概率论 · 数学 2025-09-08 Elise Bayraktar , Emmanuelle Clément

The emergence of the exit events from a bounded domain containing a stable fixed point induced by non-Gaussian L\'evy fluctuations plays a pivotal role in practical physical systems. In the limit of weak noise, we develop a Hamiltonian…

统计理论 · 数学 2020-07-15 Yang Li , Jinqiao Duan , Xianbin Liu , Yanxia Zhang

We establish a new version of the stochastic Strichartz estimate for the stochastic convolution driven by jump noise which we apply to the stochastic nonlinear Schr\"{o}dinger equation with nonlinear multiplicative jump noise in the Marcus…

概率论 · 数学 2021-04-20 Zdzisław Brzeźniak , Wei Liu , Jiahui Zhu

This paper is concerned with the following space-time fractional stochastic nonlinear partial differential equation \begin{equation*} \left(\partial_t^{\beta}+\frac{\nu}{2}\left(-\Delta\right)^{\alpha / 2}\right) u=I_{t}^{\gamma}\Big[…

概率论 · 数学 2025-06-17 Yuhui Guo , Jiang-Lun Wu

By using large deviation theory that deals with the decay of probabilities of rare events on an exponential scale, we study the longtime behaviors and establish action functionals for scaled Brownian motion and L\'evy processes with…

动力系统 · 数学 2019-08-27 Shenglan Yuan , Jinqiao Duan

We consider one-dimensional stochastic differential equations with jumps in the general case. We introduce new technics based on local time and we prove new results on pathwise uniqueness and comparison theorems. Our approach are very easy…

概率论 · 数学 2011-08-22 M. Benabdallah , S. Bouhadou , Y. Ouknine

We examine the almost-sure asymptotics of the solution to the stochastic heat equation driven by a L\'evy space-time white noise. When a spatial point is fixed and time tends to infinity, we show that the solution develops unusually high…

概率论 · 数学 2020-06-18 Carsten Chong , Péter Kevei

Statistical inference for stochastic processes based on high-frequency observations has been an active research area for more than two decades. One of the most well-known and widely studied problems has been the estimation of the quadratic…

计量经济学 · 经济学 2024-04-23 B. Cooper Boniece , José E. Figueroa-López , Yuchen Han
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