A Stability Result for Stochastic Differential Equations Driven by Fractional Brownian Motions

Abstract EN

We study the stability of the solutions of stochastic differential equations driven by fractional Brownian motions with Hurst parameter greater than half.

We prove that when the initial conditions, the drift, and the diffusion coefficients as well as the fractional Brownian motions converge in a suitable sense, then the sequence of the solutions of the corresponding equations converge in Hölder norm to the solution of a stochastic differential equation.

The limit equation is driven by the limit fractional Brownian motion and its coefficients are the limits of the sequence of the coefficients.