{ "id": "1104.3884", "version": "v1", "published": "2011-04-19T21:30:04.000Z", "updated": "2011-04-19T21:30:04.000Z", "title": "Upper bounds for the density of solutions of stochastic differential equations driven by fractional Brownian motions", "authors": [ "Fabrice Baudoin", "Cheng Ouyang", "Samy Tindel" ], "categories": [ "math.PR" ], "abstract": "In this paper we study upper bounds for the density of solution of stochastic differential equations driven by a fractional Brownian motion with Hurst parameter H > 1/3. We show that under some geometric conditions, in the regular case H > 1/2, the density of the solution satisfy the log-Sobolev inequality, the Gaussian concentration inequality and admits an upper Gaussian bound. In the rough case H > 1/3 and under the same geometric conditions, we show that the density of the solution is smooth and admits an upper sub-Gaussian bound.", "revisions": [ { "version": "v1", "updated": "2011-04-19T21:30:04.000Z" } ], "analyses": { "keywords": [ "stochastic differential equations driven", "fractional brownian motion", "geometric conditions", "study upper bounds", "upper sub-gaussian bound" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011arXiv1104.3884B" } } }