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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 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

We consider a mixed stochastic differential equation driven by possibly dependent fractional Brownian motion and Brownian motion. Under mild regularity assumptions on the coefficients, it is proved that the equation has a unique solution.

概率论 · 数学 2011-11-09 Yuliya Mishura , Georgiy Shevchenko

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

In this paper, we study the existence and uniqueness of mild solution for a stochastic neutral partial functional integro-differential equation with delay in a Hilbert space driven by a fractional Brownian motion and with non-deterministic…

概率论 · 数学 2018-09-11 B. Boufoussi , S. Hajji , S. Mouchtabih

We consider a fractional Brownian motion with unknown linear drift such that the drift coefficient has a prior normal distribution and construct a sequential test for the hypothesis that the drift is positive versus the alternative that it…

统计理论 · 数学 2026-01-14 Alexey Muravlev , Mikhail Zhitlukhin

In this paper we show the existence and uniqueness of a solution for a stochastic differential equation driven by an additive noise which is the sum of two fractional Brownian motions with different Hurst parameters. The proofs are based on…

概率论 · 数学 2022-07-12 David Nualart , Ercan Sönmez

In this paper we use the chaos decomposition approach to establish the existence of a unique continuous solution to linear fractional differential equations of the Skorohod type. Here the coefficients are deterministic, the inital condition…

概率论 · 数学 2007-06-13 Jorge A. Leon , Jaime San Martin

In this paper, we apply rough paths techniques to provide an approximation of the solution of stochastic functional differential equations driven by fractional Brownian motion with Hurst parameter $H>1/2$. Here, the involved stochastic…

概率论 · 数学 2026-04-03 Johanna Garzón , Jorge A. León , Jorge Lozada , Soledad Torres

We study the existence of a unique solution to semilinear fractional backward doubly stochastic differential equation driven by a Brownian motion and a fractional Brownian motion with Hurst parameter less than 1/2. Here the stochastic…

概率论 · 数学 2010-05-13 Shuai Jing , Jorge León

We prove the existence of a unique Malliavin differentiable strong solution to a stochastic differential equation on the plane with merely integrable coefficients driven by the fractional Brownian sheet with Hurst parameters less than 1/2.…

概率论 · 数学 2025-12-16 Antoine-Marie Bogso , Olivier Menoukeu Pamen , Frank Proske

We consider a stochastic differential equation involving standard and fractional Brownian motion with unknown drift parameter to be estimated. We investigate the standard maximum likelihood estimate of the drift parameter, two non-standard…

概率论 · 数学 2011-12-13 Yuriy Kozachenko , Alexander Melnikov , Yuliya Mishura

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 the two-dimensional fractional Brownian motion with Hurst parameter $H>{1/2}$. In particular, we show, using stochastic calculus, that this process admits a skew-product decomposition and deduce from this representation some…

概率论 · 数学 2007-05-23 Fabrice Baudoin , David Nualart

This article is devoted to study stochastic lattice dynamical systems driven by a fractional Brownian motion with Hurst parameter $H\in(1/2,1)$. First of all, we investigate the existence and uniqueness of pathwise mild solutions to such…

偏微分方程分析 · 数学 2016-09-09 Hakima Bessaih , María J. Garrido-Atienza , Xiaoying Han , Björn Schmalfuß

We consider stochastic differential equation involving pathwise integral with respect to fractional Brownian motion. The estimates for the Hurst parameter are constructed according to first- and second-order quadratic variations of observed…

概率论 · 数学 2012-06-28 K. Kubilius , Y. Mishura

Combining fractional calculus and the Rough Path Theory we study the existence and uniqueness of mild solutions to evolutions equations driven by a H\"older continuous function with H\"older exponent in $(1/3,1/2)$. Our stochastic integral…

偏微分方程分析 · 数学 2013-05-06 María J. Garrido-Atienza , Kening Lu , Björn Schmalfuss

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

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 $L^2(D)$-valued fractional Brownian motion with the Hurst index $H>1/2$, a new…

概率论 · 数学 2020-01-17 Kostiantyn Ralchenko , Georgiy Shevchenko

We present an innovating sensitivity analysis for stochastic differential equations: We study the sensitivity, when the Hurst parameter~$H$ of the driving fractional Brownian motion tends to the pure Brownian value, of probability…

概率论 · 数学 2017-02-14 Alexandre Richard , Denis Talay