{ "id": "math/9802100", "version": "v1", "published": "1998-02-20T14:18:50.000Z", "updated": "1998-02-20T14:18:50.000Z", "title": "Higher analytic torsion of sphere bundles and continuous cohomology of $Diff(S^{2n-1})$", "authors": [ "Ulrich Bunke" ], "comment": "10 pages", "categories": [ "math.DG" ], "abstract": "Using the higher analytic torsion form of Bismut and Lott we construct a characteristic class for smooth sphere bundles. We calculate this class in the case where the sphere bundle comes from a complex vector bundle. Related to these characteristic classes we define nontrivial continuous group cohomology classes of the diffeomorphism group of odd dimensional spheres.", "revisions": [ { "version": "v1", "updated": "1998-02-20T14:18:50.000Z" } ], "analyses": { "subjects": [ "58D05", "58G10" ], "keywords": [ "sphere bundle", "continuous cohomology", "higher analytic torsion form", "nontrivial continuous group cohomology classes", "define nontrivial continuous group cohomology" ], "note": { "typesetting": "TeX", "pages": 10, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "1998math......2100B" } } }