{ "id": "1309.1430", "version": "v1", "published": "2013-09-05T18:42:41.000Z", "updated": "2013-09-05T18:42:41.000Z", "title": "Amenability and Ramsey theory in the metric setting", "authors": [ "Adriane Kaïchouh" ], "categories": [ "math.LO", "math.DS" ], "abstract": "Moore characterized the amenability of automorphism groups of countable ultrahomogeneous structures by a Ramsey-type property. We extend this result to automorphism groups of metric Fra\\\"iss\\'e structures, which encompass all Polish groups. As an application, we prove that amenability is a G_delta condition.", "revisions": [ { "version": "v1", "updated": "2013-09-05T18:42:41.000Z" } ], "analyses": { "keywords": [ "ramsey theory", "amenability", "metric setting", "automorphism groups", "ramsey-type property" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2013arXiv1309.1430K" } } }