{ "id": "1202.5147", "version": "v2", "published": "2012-02-23T10:48:16.000Z", "updated": "2014-10-04T11:03:19.000Z", "title": "Tensor functors between categories of quasi-coherent sheaves", "authors": [ "Martin Brandenburg", "Alexandru Chirvasitu" ], "comment": "22 pages; revised version", "journal": "J. Algebra 399 (2014), 675-692", "categories": [ "math.AG", "math.CT" ], "abstract": "For a quasi-compact quasi-separated scheme X and an arbitrary scheme Y we show that the pullback construction implements an equivalence between the discrete category of morphisms Y --> X and the category of cocontinuous tensor functors Qcoh(X) --> Qcoh(Y). This is an improvement of a result by Lurie and may be interpreted as the statement that algebraic geometry is 2-affine. Moreover, we prove the analogous version of this result for Durov's notion of generalized schemes over F_1.", "revisions": [ { "version": "v1", "updated": "2012-02-23T10:48:16.000Z", "abstract": "For a quasi-compact quasi-separated scheme X and an arbitrary scheme Y we show that the pullback construction implements an equivalence between the discrete category of morphisms Y --> X and the category of cocontinuous tensor functors Qcoh(X) --> Qcoh(Y). This is an improvement of a result by Lurie and may be interpreted as the statement that algebraic geometry is 2-affine. Moreover, we prove the analogous version of this result for Durov's notion of generalized schemes.", "comment": "21 pages", "journal": null, "doi": null }, { "version": "v2", "updated": "2014-10-04T11:03:19.000Z" } ], "analyses": { "keywords": [ "quasi-coherent sheaves", "pullback construction implements", "cocontinuous tensor functors qcoh", "quasi-compact quasi-separated scheme", "discrete category" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 22, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1202.5147B" } } }