{ "id": "1503.00315", "version": "v1", "published": "2015-03-01T17:33:51.000Z", "updated": "2015-03-01T17:33:51.000Z", "title": "Surreal numbers, derivations and transseries", "authors": [ "Alessandro Berarducci", "Vincenzo Mantova" ], "comment": "46 pages", "categories": [ "math.LO" ], "abstract": "Several authors have conjectured that Conway's field of surreal numbers, equipped with the exponential function of Kruskal and Gonshor, can be described as a field of transseries and admits a compatible differential structure of Hardy-type. In this paper we give a complete positive solution to both problems. We also show that with this new differential structure, the surreal numbers are Liouville closed, namely the derivation is surjective.", "revisions": [ { "version": "v1", "updated": "2015-03-01T17:33:51.000Z" } ], "analyses": { "subjects": [ "03C64", "16W60", "04A10", "26A12", "13N15" ], "keywords": [ "surreal numbers", "transseries", "derivation", "exponential function", "compatible differential structure" ], "note": { "typesetting": "TeX", "pages": 46, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2015arXiv150300315B" } } }