{ "id": "math/0503236", "version": "v4", "published": "2005-03-13T06:27:33.000Z", "updated": "2006-12-09T01:30:50.000Z", "title": "The geometry of fronts", "authors": [ "Kentaro Saji", "Masaaki Umehara", "Kotaro Yamada" ], "comment": "30 pages with 6 figures", "categories": [ "math.DG" ], "abstract": "We shall introduce the singular curvature function on cuspidal edges of surfaces, which is related to the Gauss-Bonnet formula and which characterizes the shape of cuspidal edges. Moreover, it is closely related to the behavior of the Gaussian curvature of a surface near cuspidal edges and swallowtails.", "revisions": [ { "version": "v4", "updated": "2006-12-09T01:30:50.000Z" } ], "analyses": { "subjects": [ "57R45", "53A05" ], "keywords": [ "cuspidal edges", "singular curvature function", "gauss-bonnet formula", "gaussian curvature", "swallowtails" ], "note": { "typesetting": "TeX", "pages": 30, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2005math......3236S" } } }