{ "id": "math/0012166", "version": "v1", "published": "2000-12-18T17:09:39.000Z", "updated": "2000-12-18T17:09:39.000Z", "title": "The cup product of the Hilbert scheme for K3 surfaces", "authors": [ "Manfred Lehn", "Christoph Sorger" ], "comment": "22 pages", "categories": [ "math.AG" ], "abstract": "To any graded Frobenius algebra A we associate a sequence of graded Frobenius algebras A^[n] in such a way that for any smooth projective surface X with trivial canonical divisor there is a canonical isomorphism of rings between (H*X)^[n] and the cohomology H*(X^[n]) of the n-th Hilbert scheme of X.", "revisions": [ { "version": "v1", "updated": "2000-12-18T17:09:39.000Z" } ], "analyses": { "subjects": [ "14C05", "17B68", "17B69", "20C05" ], "keywords": [ "cup product", "k3 surfaces", "graded frobenius algebra", "n-th hilbert scheme", "smooth projective surface" ], "note": { "typesetting": "TeX", "pages": 22, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2000math.....12166L" } } }