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This paper focuses on controllability results of stochastic delay partial functional integro-differential equations perturbed by fractional Brownian motion. Sufficient conditions are established using the theory of resolvent operators…

概率论 · 数学 2015-03-30 El Hassan Lakhel

Strongly consistent and asymptotic normal estimators of the Hurst index of a stochastic differential equation driven by a fractional Brownian motion are proposed. The estimators are based on discrete observations of the underlying process.

概率论 · 数学 2014-02-18 K. Kubilius , V. Skorniakov , D. Melichov

The main goal of this article is to prove the existence of a random attractor for a stochastic evolution equation driven by a fractional Brownian motion with $H\in (1/2,1)$. We would like to emphasize that we do not use the usual cohomology…

偏微分方程分析 · 数学 2013-07-26 H. Gao , M. J. Garrido-Atienza , B. Schmalfuss

A non-linear differential equation arising from a stochastic process known as branching Brownian motion is considered. We find an explicit solution and show the uniqueness of the solution under some boundedness conditions using…

概率论 · 数学 2022-10-27 Erfan Salavati

In this paper, we focus on the mean-field backward stochastic differential equations (BSDEs) driven by a fractional Brownian motion with Hurst parameter H greater then 1/2. First, the existence and uniqueness of these equations are…

概率论 · 数学 2017-05-30 Jiaqiang Wen , Yufeng Shi

A class of Gaussian processes generalizing the usual fractional Brownian motion for Hurst indices in (1/2,1) and multifractal Brownian motion introduced in Ralchenko and Shevchenko (Theory Probab Math Stat 80, 2010) and Boufoussi et al.…

概率论 · 数学 2013-07-08 Jelena Ryvkina

This paper is devoted to study a class of stochastic Volterra equations associated with fractional Brownian motion. We first prove the Driver type integration by parts formula and the shift Harnack type inequalities. As a direct…

概率论 · 数学 2014-07-24 XiLiang Fan

We derive a Tanaka-type formula for the solution of a stochastic differential equation (SDE) driven by fractional Brownian motion (fBm) with Hurst parameter $H > \frac{1}{2}$. While Tanaka formulas for the fractional Brownian motion itself…

概率论 · 数学 2025-08-11 Tommi Sottinen , Ercan Sönmez , Lauri Viitasaari

In this paper, we introduce some fundamental notions related to the so-called stochastic derivatives with respect to a given $\sigma$-field $\mathcal{Q}$. In our framework, we recall well-known results about Markov--Wiener diffusions. We…

概率论 · 数学 2009-09-29 Sébastien Darses , Ivan Nourdin

We consider a rough differential equation indexed by a small parameter $\varepsilon>0$. When the rough differential equation is driven by fractional Brownian motion with Hurst parameter $H$ ($1/4<H<1/2$), we prove the Laplace-type…

概率论 · 数学 2013-02-05 Yuzuru Inahama

We establish the rate of convergence in the $L^1$-norm for equidistant approximations of stochastic integrals with discontinuous integrands driven by multifractional Brownian motion. Our findings extend the known results for the case when…

概率论 · 数学 2024-08-06 Kostiantyn Ralchenko , Foad Shokrollahi , Tommi Sottinen

We prove that a sequence of semi-discrete approximations converges to a multiplicative functional for reflected Brownian motion, which intuitively represents the Lyapunov exponent for the corresponding stochastic flow. The method of proof…

概率论 · 数学 2008-05-27 Krzysztof Burdzy , John M. Lee

We study a class of mean-field stochastic differential equations driven by a fractional Brownian motion with Hurst parameter $H\in(1/2,1)$ and a related stochastic control problem. We derive a Pontryagin type maximum principle and the…

最优化与控制 · 数学 2017-07-10 Rainer Buckdahn , Shuai Jing

In this paper we consider the controllability of certain class of non-autonomous neutral evolution stochastic functional differential equations, with time varying delays, driven by a fractional Brownian motion in a separable real Hilbert…

概率论 · 数学 2015-04-01 E. Lakhel

In this paper, we derive the exact rate of convergence of some approximation schemes associated to scalar stochastic differential equations driven by a fractional Brownian motion with Hurst index H.

概率论 · 数学 2007-05-23 Andreas Neuenkirch , Ivan Nourdin

In this paper we prove the stochastic homeomorphism flow property and the strong Feller property for stochastic differential equations with sigular time dependent drifts and Sobolev diffusion coefficients. Moreover, the local well posedness…

概率论 · 数学 2011-05-04 Xicheng Zhang

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

We consider a multiscale system of stochastic differential equations in which the slow component is perturbed by a small fractional Brownian motion with Hurst index $H>1/2$ and the fast component is driven by an independent Brownian motion.…

概率论 · 数学 2025-05-13 Siragan Gailus , Ioannis Gasteratos

We construct the "expected signature matching" estimator for differential equations driven by rough paths and we prove its consistency and asymptotic normality. We use it to estimate parameters of a diffusion and a fractional diffusions,…

概率论 · 数学 2011-12-16 Anastasia Papavasiliou , Christophe Ladroue

The paper is concerned with the existence and uniqueness of a strong solution to a two-dimensional backward stochastic Navier-Stokes equation with nonlinear forcing, driven by a Brownian motion. We use the spectral approximation and the…

概率论 · 数学 2011-05-02 Jinniao Qiu , Shanjian Tang , Yuncheng You