{ "id": "1902.08331", "version": "v1", "published": "2019-02-22T01:47:29.000Z", "updated": "2019-02-22T01:47:29.000Z", "title": "Ample line bundles, global generation and $K_0$ on quasi-projective derived schemes", "authors": [ "Toni Annala" ], "comment": "17 pages", "categories": [ "math.AG" ], "abstract": "The purpose of this note is to extend some classical results on quasi-projective schemes to the setting of derived algebraic geometry. Namely, we want to show that any vector bundle on a derived scheme admitting an ample line bundle can be twisted to be globally generated. Moreover, we provide a presentation of $K^0(X)$ as the Grothendieck group of vector bundles modulo exact sequences on any quasi-projective derived scheme $X$.", "revisions": [ { "version": "v1", "updated": "2019-02-22T01:47:29.000Z" } ], "analyses": { "keywords": [ "ample line bundle", "quasi-projective derived scheme", "global generation", "vector bundles modulo exact sequences", "derived algebraic geometry" ], "note": { "typesetting": "TeX", "pages": 17, "language": "en", "license": "arXiv", "status": "editable" } } }