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In this paper we consider stochastic differential equations with non-negativity constraints, driven by a fractional Brownian motion with Hurst parameter $H>\1/2$. We first study an ordinary integral equation where the integral is defined in…

概率论 · 数学 2012-03-14 Marco Ferrante , Carles Rovira

In this article, we present the exact expression of the $L^2$-norm of the forward stochastic integral driven by the multi-dimensional fractional Brownian motion with parameter $\frac{1}{2} < H < 1$. The class of integrands only requires…

概率论 · 数学 2023-10-26 Alberto Ohashi , Francesco Russo

In this article we are concerned with the study of the existence and uniqueness of pathwise mild solutions to evolutions equations driven by a H\"older continuous function with H\"older exponent in $(1/3,1/2)$. Our stochastic integral is a…

偏微分方程分析 · 数学 2016-08-10 María J. Garrido-Atienza , Kening Lu , Björn Schmalfuss

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 issue of integration with respect to the non-commutative fractional Brownian motion, that is the analog of the standard fractional Brownian in a non-commutative probability setting.When the Hurst index $H$ of the process is…

概率论 · 数学 2018-03-14 Aurélien Deya , René Schott

In this note we prove an existence and uniqueness result for the solution of multidimensional stochastic delay differential equations with normal reflection. The equations are driven by a fractional Brownian motion with Hurst parameter…

概率论 · 数学 2012-03-05 Mireia Besalú , Carles Rovira

We present a new Aumann-like integral for a H\"older multifunction with respect to a H\"older signal, based on the Young integral of a particular set of H\"older selections. This restricted Aumann integral has continuity properties that…

概率论 · 数学 2022-05-05 Laure Coutin , Nicolas Marie , Paul Raynaud de Fitte

We derive estimates for the solutions to differential equations driven by a H\"older continuous function of order $\beta>1/2$. As an application we deduce the existence of moments for the solutions to stochastic partial differential…

概率论 · 数学 2007-05-23 Yaozhong Hu David Nualart

We study pathwise regularization by noise for equations on the plane in the spirit of the framework outlined by Catellier and Gubinelli (Stochastic Process. Appl., 2016). To this end, we extend the notion of non-linear Young equations to a…

概率论 · 数学 2023-01-13 Florian Bechtold , Fabian A. Harang , Nimit Rana

We prove existence and uniqueness of the solution of a stochastic shell--model. The equation is driven by an infinite dimensional fractional Brownian--motion with Hurst--parameter $H\in (1/2,1)$, and contains a non--trivial coefficient in…

偏微分方程分析 · 数学 2014-10-27 Hakima Bessaih , María J. Garrido-Atienza , Björn Schmalfuss

We prove an existence and uniqueness theorem for solutions of multidimensional, time dependent, stochastic differential equations driven simultaneously by a multidimensional fractional Brownian motion with Hurst parameter H>1/2 and a…

概率论 · 数学 2022-01-27 João Guerra , David Nualart

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

This note is devoted to show how to push forward the algebraic integration setting in order to treat differential systems driven by a noisy input with H\"older regularity greater than 1/4. After recalling how to treat the case of ordinary…

概率论 · 数学 2009-01-15 Samy Tindel , Iván Torrecilla

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

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

In this paper we prove a viability result for multidimensional, time dependent, stochastic differential equations driven by fractional Brownian motion with Hurst parameter1/2 < H < 1, using pathwise approach. The sufficient condition is…

动力系统 · 数学 2008-09-01 Ioana Ciotir , Aurel Rascanu

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

In this paper we show that under some assumptions, for a $d$-dimensional fractional Brownian motion with Hurst parameter $H>1/2$, the density of solution of stochastic differential equation driven by it has a short-time expansion similar to…

概率论 · 数学 2010-05-20 Fabrice Baudoin , Cheng Ouyang

We define and solve Volterra equations driven by an irregular signal, by means of a variant of the rough path theory called algebraic integration. In the Young case, that is for a driving signal with H\"older exponent greater than 1/2, we…

概率论 · 数学 2008-09-12 Aurélien Deya , Samy Tindel

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
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