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The paper is concerned with a mixed stochastic delay differential equation involving both a Wiener process and a $\gamma$-H\"older continuous process with $\gamma>1/2$ (e.g. a fractional Brownian motion with Hurst parameter greater than…

概率论 · 数学 2014-07-22 Yuliya Mishura , Taras Shalaiko , Georgiy Shevchenko

We study the approximation of stochastic differential equations driven by a fractional Brownian motion with Hurst parameter $H>1/2$. For the mean-square error at a single point we derive the optimal rate of convergence that can be achieved…

概率论 · 数学 2007-06-19 Andreas Neuenkirch

In this article we investigate the controllability for neutral stochastic functional integro-differential equations with finite delay, driven by a fractional Brownian motion with Hurst parameter lesser than $1/2$ in a Hilbert space. We…

概率论 · 数学 2018-09-26 Brahim Boufoussi , Soufiane Mouchtabih

We establish Talagrand's $T_1$ and $T_2$ inequalities for the law of the solution of a stochastic differential equation driven by a fractional Brownian motion with Hurst parameter $H>1/2$. We use the $L^2$ metric and the uniform metric on…

统计理论 · 数学 2012-03-01 Bruno Saussereau

In this note we prove the existence of a density for the law of the solution for 1-dimensional stochastic delay differential equations with normal reflection. The equations are driven by a fractional Brownian motion with Hurst parameter $H…

概率论 · 数学 2023-02-09 Mireia Besalú , David Márquez-Carreras , Carles Rovira

In this work, we will show the existence and uniqueness of the solution to the semi linear stochastic differential equations driven by weighted fractional Brownian motion with delay. We also prove smoothness of the density of the solution…

概率论 · 数学 2020-12-01 Mahdieh Tahmasebi

In this work, we prove a version of H\"{o}rmander's theorem for a stochastic evolution equation driven by a trace-class fractional Brownian motion with Hurst exponent $\frac{1}{2} < H < 1$ and an analytic semigroup on a given separable…

概率论 · 数学 2020-03-19 Jorge A. de Nascimento , Alberto Ohashi

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

We consider stochastic differential equation $$ d X_t=b(X_t) dt +d W_t^H, $$ where the drift $b$ is either a measure or an integrable function, and $W^H$ is a $d$-dimensional fractional Brownian motion with Hurst parameter $H\in(0,1)$,…

概率论 · 数学 2025-10-22 Oleg Butkovsky , Khoa Lê , Leonid Mytnik

This paper is devoted to the synchronization of stochastic differential equations driven by the linear multiplicative fractional Brownian motion with Hurst parameter $H\in(\frac{1}{2},1)$. We firstly prove that the equation has a unique…

概率论 · 数学 2023-12-12 Wei Wei , Hongjun Gao , Qiyong Cao

In this paper, we study a conditional distribution dependent stochastic differential equations driven by standard Brownian motion and fractional Brownian motion with Hurst exponent $H>\frac{1}{2}$ simultaneously. First, the existence and…

概率论 · 数学 2025-05-01 Li Tan , Shengrong Wang

In this paper we study a stochastic differential equation driven by a fractional Brownian motion with a discontinuous coefficient. We also give an approximation to the solution of the equation. This is a first step to define a fractional…

概率论 · 数学 2016-07-25 Johanna Garzón , Jorge A. León , Soledad Torres

This article is devoted to the existence and uniqueness of pathwise solutions to stochastic evolution equations, driven by a H\"older continuous function with H\"older exponent in $(1/2,1)$, and with nontrivial multiplicative noise. As a…

动力系统 · 数学 2013-05-30 Y. Chen , H. Gao , M. J. Garrido-Atienza , B. Schmalfuss

In this paper we study a singular stochastic differential equation driven by an additive fractional Brownian motion with Hurst parameter $H>\frac 12$. Under some assumptions on the drift, we show that there is a unique solution, which has…

概率论 · 数学 2007-11-19 Yaozhong Hu , David Nualart , Xiaoming Song

In this paper we study a class of distribution dependent stochastic differential equations driven by fractional Brownian motions with Hurst parameter H\in(1/2,1). We prove the well-posedness of this type equations, and then establish a…

概率论 · 数学 2021-06-01 Xiliang Fan , Xing Huang , Yongqiang Suo , Chenggui Yuan

We study some functional inequalities satisfied by the distribution of the solution of a stochastic differential equation driven by fractional Brownian motions. Such functional inequalities are obtained through new integration by parts…

概率论 · 数学 2011-02-23 Fabrice Baudoin , Cheng Ouyang

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

In this note we prove an existence and uniqueness result of solution for stochastic differential delay equations with hereditary drift driven by a fractional Brownian motion with Hurst parameter $H > 1/2$. Then, we show that, when the delay…

概率论 · 数学 2009-04-01 Marco Ferrante Carles Rovira

This paper is devoted to a system of stochastic partial differential equations (SPDEs) that have a slow component driven by fractional Brownian motion (fBm) with the Hurst parameter $H >1/2$ and a fast component driven by fast-varying…

概率论 · 数学 2021-11-12 Bin Pei , Yuzuru Inahama , Yong Xu

We show that the unique solution to a semilinear stochastic differential equation with almost periodic coefficients driven by a fractional Brownian motion is almost periodic in a sense related to random dynamical systems. This type of…

概率论 · 数学 2025-02-25 Nicolas Marie , Paul Raynaud de Fitte