{ "id": "0907.2724", "version": "v2", "published": "2009-07-16T15:46:52.000Z", "updated": "2009-07-29T13:44:42.000Z", "title": "Existence of Good Sweepouts on Closed Manifolds", "authors": [ "Longzhi Lin", "Lu Wang" ], "comment": "7 pages; added reference; corrected typos", "categories": [ "math.DG", "math.AP" ], "abstract": "In this note we establish estimates for the harmonic map heat flow from $S^1$ into a closed manifold, and use it to construct sweepouts with the following good property: each curve in the tightened sweepout, whose energy is close to the maximal energy of curves in the sweepout, is itself close to a closed geodesic.", "revisions": [ { "version": "v2", "updated": "2009-07-29T13:44:42.000Z" } ], "analyses": { "subjects": [ "53C22", "53C44" ], "keywords": [ "closed manifold", "harmonic map heat flow", "maximal energy", "construct sweepouts", "tightened sweepout" ], "note": { "typesetting": "TeX", "pages": 7, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2009arXiv0907.2724L" } } }