{ "id": "1211.1100", "version": "v2", "published": "2012-11-06T04:14:25.000Z", "updated": "2013-06-04T02:39:25.000Z", "title": "Globally generated vector bundles of rank 2 on a smooth quadric threefold", "authors": [ "Edoardo Ballico", "Sukmoon Huh", "Francesco Malaspina" ], "comment": "18 pages; section7 is added; Comments welcome", "doi": "10.1016/j.jpaa.2013.05.005", "categories": [ "math.AG" ], "abstract": "We investigate the existence of globally generated vector bundles of rank 2 with $c_1\\leq 3$ on a smooth quadric threefold and determine their Chern classes. As an automatic consequence, every rank 2 globally generated vector bundle on $Q$ with $c_1=3$ is an odd instanton up to twist.", "revisions": [ { "version": "v2", "updated": "2013-06-04T02:39:25.000Z" } ], "analyses": { "subjects": [ "14F99", "14J99" ], "keywords": [ "globally generated vector bundle", "smooth quadric threefold", "automatic consequence", "odd instanton", "chern classes" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 18, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1211.1100B" } } }