{ "id": "1512.09158", "version": "v1", "published": "2015-12-30T21:42:45.000Z", "updated": "2015-12-30T21:42:45.000Z", "title": "Essential dimension of exceptional groups, including bad characteristic", "authors": [ "Skip Garibaldi", "Robert M. Guralnick" ], "categories": [ "math.GR", "math.RT" ], "abstract": "We give upper bounds on the essential dimension of some simple algebraic groups that hold regardless of the characteristic. Along the way, we calculate the stabilizer of the a generic element in the Lie algebra of an adjoint simple algebraic group over a field; if the field has characteristic 2, the stabilizer need not be connected.", "revisions": [ { "version": "v1", "updated": "2015-12-30T21:42:45.000Z" } ], "analyses": { "subjects": [ "11E72", "20G41", "17B45" ], "keywords": [ "essential dimension", "exceptional groups", "bad characteristic", "adjoint simple algebraic group", "stabilizer" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2015arXiv151209158G" } } }