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The linear fractional stable motion generalizes two prominent classes of stochastic processes, namely stable L\'evy processes, and fractional Brownian motion. For this reason it may be regarded as a basic building block for continuous time…

统计理论 · 数学 2022-08-17 Fabian Mies , Mark Podolskij

In this paper we obtain Gaussian-type lower bounds for the density of solutions to stochastic differential equations (SDEs) driven by a fractional Brownian motion with Hurst parameter $H$. In the one-dimensional case with additive noise,…

概率论 · 数学 2016-08-11 M. Besalú , A. Kohatsu-Higa , S. Tindel

A method is developed to estimate the properties of a global hydrodynamic instability in turbulent flows from measurement data of the limit-cycle oscillations. For this purpose, the flow dynamics are separated in deterministic contributions…

流体动力学 · 物理学 2021-04-21 Moritz Sieber , C. Oliver Paschereit , Kilian Oberleithner

In this note we prove an existence and uniqueness result of solution for stochastic Volterra integral equations driven by a fractional Brownian motion with Hurst parameter H > 1/2, showing also that the solution has finite moments. The…

概率论 · 数学 2010-03-09 Mireia Besalú , Carles Rovira

The aim of this paper is to analyse a WIS-stochastic differential equation driven by fractional Brownian motion with $H>\tfrac{1}{2}$. For this, we summarise the theory of fractional white noise and prove a fundamental $L^2$-estimate for…

概率论 · 数学 2026-05-25 Jasmina Đorđević , Bernt Øksendal

In this paper, we consider the statistical inference of the drift parameter $\theta$ of non-ergodic Ornstein-Uhlenbeck~(O-U) process driven by a general Gaussian process $(G_t)_{t\ge 0}$. When $H \in (0, \frac 12) \cup (\frac 12,1) $ the…

统计理论 · 数学 2022-07-28 Yanping Lu

This paper investigates the probability distribution of solutions to McKean--Vlasov stochastic differential equations driven by fractional Brownian motion with Hurst parameter H>1/2. Our main contribution is the derivation of the associated…

概率论 · 数学 2026-01-12 Saloua Labed , Nacira Agram , Bernt Oksendal

In this article we study a class of singular stochastic differential equations driven by fractional Brownian motion with Hurst parameter H<1/2. The solution is constructed as the limit of a family of approximating processes, and its…

概率论 · 数学 2026-04-14 Xiaoming Song , Alexander Tortoriello

In this paper, we consider the exact fractional variation for the temporal process of the solution to the fractional stochastic heat equation on $\mathbb{R}$ driven by a space-time white noise, and as an application we give the estimate of…

概率论 · 数学 2025-06-05 Yongkang Li , Huisheng Shu , Litan Yan

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

We study the nonparametric Nadaraya-Watson estimator of the drift function for ergodic stochastic processes driven by fractional Brownian motion of Hurst parameter H > 1/2. The estimator is based on the discretely observed stochastic…

统计理论 · 数学 2022-05-03 Han Yuecai , Zhang Dingwen

We study the ergodic properties of finite-dimensional systems of SDEs driven by non-degenerate additive fractional Brownian motion with arbitrary Hurst parameter $H\in(0,1)$. A general framework is constructed to make precise the notions of…

概率论 · 数学 2007-05-23 Martin Hairer

This paper deals with the identification of the multivariate fractional Brownian motion, a recently developed extension of the fractional Brownian motion to the multivariate case. This process is a $p$-multivariate self-similar Gaussian…

统计理论 · 数学 2011-11-16 Pierre-Olivier Amblard , Jean-François Coeurjolly

In this article we introduce and analyze a notion of mild solution for a class of non-autonomous parabolic stochastic partial differential equations defined on a bounded open subset $D\subset\mathbb{R}^{d}$ and driven by an…

概率论 · 数学 2009-02-19 Marta Sanz-Solé , Pierre-A. Vuillermot

In this paper, we study small-time asymptotic behaviors for a class of distribution dependent stochastic differential equations driven by fractional Brownian motions with Hurst parameter $H\in(1/2,1)$ and magnitude $\ep^H$. By building up a…

概率论 · 数学 2022-07-05 Xiliang Fan , Ting Yu , Chenggui Yuan

We study distribution dependent stochastic differential equations with irregular, possibly distributional drift, driven by an additive fractional Brownian motion of Hurst parameter $H\in (0,1)$. We establish strong well-posedness under a…

概率论 · 数学 2021-06-01 Lucio Galeati , Fabian A. Harang , Avi Mayorcas

We develop an asymptotic theory for the jump robust measurement of covariations in the context of stochastic evolution equation in infinite dimensions. Namely, we identify scaling limits for realized covariations of solution processes with…

统计方法学 · 统计学 2025-09-09 Dennis Schroers

We derive stochastic compressible Euler Equation from a Hamiltonian microscopic dynamics. We consider systems of interacting particles with H\"older noise and potential whose range is large in comparison with the typical distance between…

偏微分方程分析 · 数学 2025-02-25 Jesus Correa , Juan Londoño , Christian Olivera

Optimal control and the associated second-order path-dependent Hamilton-Jacobi-Bellman (PHJB) equation are studied for unbounded functional stochastic evolution systems in Hilbert spaces. The notion of viscosity solution without…

最优化与控制 · 数学 2024-02-27 Shanjian Tang , Jianjun Zhou

In this paper we study the longtime dynamics of mild solutions to retarded stochastic evolution systems driven by a Hilbert-valued Brownian motion. As a preparation for this purpose we have to show the existence and uniqueness of a cocycle…

动力系统 · 数学 2013-02-12 Hakima Bessaih , María J. Garrido-Atienza , Björn Schmalfuss
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