{ "id": "math/0210171", "version": "v1", "published": "2002-10-11T11:02:45.000Z", "updated": "2002-10-11T11:02:45.000Z", "title": "Local cohomology and D-affinity in positive characteristic", "authors": [ "Masaki Kashiwara", "Niels Lauritzen" ], "journal": "C. R. Acad. Sci. Paris 335 (2002), 993-996.", "categories": [ "math.AG", "math.AC", "math.RT" ], "abstract": "Comparing vanishing of local cohomology in zero and positive characteristic, we give an example of a D-module on a Grassmann variety in positive characteristic with non-vanishing first cohomology group. This is a counterexample to D-affinity and the Beilinson-Bernstein equivalence for flag manifolds in positive characteristic.", "revisions": [ { "version": "v1", "updated": "2002-10-11T11:02:45.000Z" } ], "analyses": { "subjects": [ "32C38", "14B15" ], "keywords": [ "positive characteristic", "local cohomology", "d-affinity", "non-vanishing first cohomology group", "grassmann variety" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2002math.....10171K" } } }