{ "id": "1102.5491", "version": "v1", "published": "2011-02-27T11:00:37.000Z", "updated": "2011-02-27T11:00:37.000Z", "title": "Parameter Estimation for Fractional Ornstein-Uhlenbeck Processes: Non-ergodic Case", "authors": [ "Rachid Belfadli", "Khalifa Es-Sebaiy", "Youssef Ouknine" ], "comment": "13 pages", "categories": [ "math.PR" ], "abstract": "We consider the parameter estimation problem for the non-ergodic fractional Ornstein-Uhlenbeck process defined as $dX_t=\\theta X_tdt+dB_t,\\ t\\geq0$, with a parameter $\\theta>0$, where $B$ is a fractional Brownian motion of Hurst index $H\\in(1/2,1)$. We study the consistency and the asymptotic distributions of the least squares estimator $\\hat{\\theta}_t$ of $\\theta$ based on the observation $\\{X_s,\\ s\\in[0,t]\\}$ as $t\\rightarrow\\infty$.", "revisions": [ { "version": "v1", "updated": "2011-02-27T11:00:37.000Z" } ], "analyses": { "subjects": [ "62F12", "60G18", "60G15" ], "keywords": [ "fractional ornstein-uhlenbeck processes", "non-ergodic case", "parameter estimation problem", "fractional brownian motion", "non-ergodic fractional ornstein-uhlenbeck process" ], "note": { "typesetting": "TeX", "pages": 13, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011arXiv1102.5491B" } } }