{ "id": "1810.03850", "version": "v1", "published": "2018-10-09T08:25:20.000Z", "updated": "2018-10-09T08:25:20.000Z", "title": "Sharp convergence of nonlinear functionals of a class of Gaussian random fields", "authors": [ "Weijun Xu" ], "comment": "22 pages", "categories": [ "math.PR" ], "abstract": "We present a self-contained proof of a uniform bound on multi-point correlations of trigonometric functions of a class of Gaussian random fields. It corresponds to a special case of the general situation considered in [Hairer-Xu], but with improved estimates. As a consequence, we establish convergence of a class of Gaussian fields composite with more general functions. These bounds and convergences are useful ingredients to establish weak universalities of several singular stochastic PDEs.", "revisions": [ { "version": "v1", "updated": "2018-10-09T08:25:20.000Z" } ], "analyses": { "keywords": [ "gaussian random fields", "nonlinear functionals", "sharp convergence", "singular stochastic pdes", "gaussian fields composite" ], "note": { "typesetting": "TeX", "pages": 22, "language": "en", "license": "arXiv", "status": "editable" } } }