{ "id": "0805.3753", "version": "v2", "published": "2008-05-24T09:45:14.000Z", "updated": "2014-09-25T17:05:14.000Z", "title": "Birational geometry and localisation of categories", "authors": [ "Bruno Kahn", "R. Sujatha" ], "comment": "65 pages", "categories": [ "math.AG" ], "abstract": "This version contains substantial improvements.", "revisions": [ { "version": "v1", "updated": "2008-05-24T09:45:14.000Z", "abstract": "We explore the relationships between the notions of places and rational maps in birational geometry. In particular, over a field F of characteristic 0, we show that in the category of smooth varieties localised with respect to birational morphisms, the set of morphisms from a variety X to a proper variety Y is the set of R-equivalence classes Y(F(X))/R.", "comment": "69 pages", "journal": null, "doi": null }, { "version": "v2", "updated": "2014-09-25T17:05:14.000Z" } ], "analyses": { "subjects": [ "14E05", "18F99" ], "keywords": [ "birational geometry", "localisation", "r-equivalence classes", "birational morphisms", "rational maps" ], "note": { "typesetting": "TeX", "pages": 65, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2008arXiv0805.3753K" } } }