{ "id": "1409.5861", "version": "v1", "published": "2014-09-20T06:31:56.000Z", "updated": "2014-09-20T06:31:56.000Z", "title": "An extension of the Beckner's type Poincaré inequality to convolution measures on abstract Wiener spaces", "authors": [ "Paolo Da Pelo", "Alberto Lanconelli", "Aurel I. Stan" ], "comment": "18 pages. arXiv admin note: text overlap with arXiv:1409.3447", "categories": [ "math.PR" ], "abstract": "We generalize the Beckner's type Poincar\\'e inequality \\cite{Beckner} to a large class of probability measures on an abstract Wiener space of the form $\\mu\\star\\nu$, where $\\mu$ is the reference Gaussian measure and $\\nu$ is a probability measure satisfying a certain integrability condition. As the Beckner inequality interpolates between the Poincar\\'e and logarithmic Sobolev inequalities, we utilize a family of products for functions which interpolates between the usual point-wise multiplication and the Wick product. Our approach is based on the positivity of a quadratic form involving Wick powers and integration with respect to those convolution measures. Our dimension-independent results are compared with some very recent findings in the literature. In addition, we prove that in the finite dimensional case the class of densities of convolutions measures satisfies a point-wise covariance inequality.", "revisions": [ { "version": "v1", "updated": "2014-09-20T06:31:56.000Z" } ], "analyses": { "subjects": [ "60H07", "60H30" ], "keywords": [ "abstract wiener space", "convolution measures", "beckners type poincare inequality", "probability measure", "convolutions measures satisfies" ], "note": { "typesetting": "TeX", "pages": 18, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2014arXiv1409.5861D" } } }