{ "id": "1301.1238", "version": "v1", "published": "2013-01-07T15:57:30.000Z", "updated": "2013-01-07T15:57:30.000Z", "title": "Nonnegatively Curved Alexandrov Spaces with Souls of Codimension Two", "authors": [ "Xueping Li" ], "comment": "30 pages", "categories": [ "math.DG", "math.MG" ], "abstract": "In this paper, we study a complete noncompact nonnegatively curved Alexandrov space $A$ with a soul $S$ of codimension two. We establish some structural results under additional regularity assumptions. As an application, we conclude that in this case Sharafutdinov retraction, $\\pi:\\ A\\to S$, is a submetry.", "revisions": [ { "version": "v1", "updated": "2013-01-07T15:57:30.000Z" } ], "analyses": { "subjects": [ "53C20", "53C99", "57N65" ], "keywords": [ "codimension", "complete noncompact nonnegatively curved alexandrov", "noncompact nonnegatively curved alexandrov space", "additional regularity assumptions", "case sharafutdinov retraction" ], "note": { "typesetting": "TeX", "pages": 30, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2013arXiv1301.1238L" } } }