{ "id": "1701.03002", "version": "v1", "published": "2017-01-11T15:05:00.000Z", "updated": "2017-01-11T15:05:00.000Z", "title": "A support and density theorem for Markovian rough paths", "authors": [ "Ilya Chevyrev", "Marcel Ogrodnik" ], "comment": "14 pages", "categories": [ "math.PR" ], "abstract": "We establish two results concerning a class of geometric rough paths $\\mathbf{X}$ which arise as Markov processes associated to uniformly subelliptic Dirichlet forms. The first is a support theorem for $\\mathbf{X}$ in $\\alpha$-H\\\"older rough path topology for all $\\alpha \\in (0,1/2)$, which answers in the positive a conjecture of Friz-Victoir (2010). The second is a H\\\"ormander-type theorem for the existence of a density of a rough differential equation driven by $\\mathbf{X}$, the proof of which is based on analysis of (non-symmetric) Dirichlet forms on manifolds.", "revisions": [ { "version": "v1", "updated": "2017-01-11T15:05:00.000Z" } ], "analyses": { "subjects": [ "60H10", "60G17" ], "keywords": [ "markovian rough paths", "density theorem", "rough differential equation driven", "geometric rough paths", "uniformly subelliptic dirichlet forms" ], "note": { "typesetting": "TeX", "pages": 14, "language": "en", "license": "arXiv", "status": "editable" } } }