Weak approximation of a fractional SDE
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In this note, a diffusion approximation result is shown for stochastic differential equations driven by a (Liouville) fractional Brownian motion B with Hurst parameter H in (1/3,1/2). More precisely, we resort to the Kac-Stroock type approximation using a Poisson process studied in Bardina, Jolis and Tudor (2003) and Delgado and Jolis (2000), and our method of proof relies on the algebraic integration theory introduced by Gubinelli (2004).
32 pages; this is a major revision, with two additional co-authors (X. Bardina and C. Rovira)
32 pages; this is a major revision, with two additional co-authors (X. Bardina and C. Rovira)