{ "id": "math/0502469", "version": "v1", "published": "2005-02-23T02:27:43.000Z", "updated": "2005-02-23T02:27:43.000Z", "title": "Circle bundles over 4-manifolds", "authors": [ "Haibao Duan", "Chao Liang" ], "comment": "6 pages to appear in Archiv der Math", "journal": "Arch. Math. (Basel) 85 (2005), no.3, 278-282", "categories": [ "math.GT", "math.AT" ], "abstract": "Every 1-connected topological 4-manifold M admits a $S^{1}$-covering by $#_{r-1}S^{2}\\times S^{3}$, where $r=$rank$H^{2}(M;\\QTR{Bbb}{Z})$.", "revisions": [ { "version": "v1", "updated": "2005-02-23T02:27:43.000Z" } ], "analyses": { "subjects": [ "57M50", "55R25" ], "keywords": [ "circle bundles" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 6, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2005math......2469D" } } }