{ "id": "0707.4310", "version": "v2", "published": "2007-07-30T18:30:57.000Z", "updated": "2007-10-09T08:03:26.000Z", "title": "Cohomological characterizations of projective spaces and hyperquadrics", "authors": [ "Carolina Araujo", "Stéphane Druel", "Sándor J. Kovács" ], "comment": "Added Lemma 2.8 and slightly changed proof of Lemma 6.2 to make them apply for torsion-free sheaves and not only to vector bundles", "doi": "10.1007/s00222-008-0130-1", "categories": [ "math.AG" ], "abstract": "We confirm Beauville's conjecture that claims that if the p-th exterior power of the tangent bundle of a smooth projective variety contains the p-th power of an ample line bundle, then the variety is either the projective space or the p-dimensional quadric hypersurface.", "revisions": [ { "version": "v2", "updated": "2007-10-09T08:03:26.000Z" } ], "analyses": { "subjects": [ "14M20" ], "keywords": [ "projective space", "cohomological characterizations", "hyperquadrics", "smooth projective variety contains", "ample line bundle" ], "tags": [ "journal article" ], "publication": { "journal": "Inventiones Mathematicae", "year": 2008, "month": "Aug", "volume": 174, "number": 2, "pages": 233 }, "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2008InMat.174..233A" } } }