{ "id": "1610.04085", "version": "v1", "published": "2016-10-13T14:01:25.000Z", "updated": "2016-10-13T14:01:25.000Z", "title": "The Fatou Property under Model Uncertainty", "authors": [ "Marco Maggis", "Thilo Meyer-Brandis", "Gregor Svindland" ], "categories": [ "math.FA", "math.PR", "q-fin.MF" ], "abstract": "We provide a characterization in terms of Fatou property for weakly closed monotone sets in the space of $\\Pcal$-quasisure bounded random variables, where $\\Pcal$ is a (possibly non-dominated) class of probability measures. Our results can be applied to obtain a topological deduction of the First Fundamental Theorem of Asset Pricing for discrete time processes and the robust dual representation of (quasi)convex increasing functionals.", "revisions": [ { "version": "v1", "updated": "2016-10-13T14:01:25.000Z" } ], "analyses": { "keywords": [ "fatou property", "model uncertainty", "quasisure bounded random variables", "first fundamental theorem", "discrete time processes" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }