{ "id": "2003.10645", "version": "v1", "published": "2020-03-24T03:50:00.000Z", "updated": "2020-03-24T03:50:00.000Z", "title": "On Gaussian curvatures and singularities of Gauss maps of cuspidal edges", "authors": [ "Keisuke Teramoto" ], "comment": "12 pages, 14 figures", "categories": [ "math.DG" ], "abstract": "We show relation between sign of Gaussian curvature of cuspidal edge and geometric invariants through types of singularities of Gauss map. Moreover, we define and characterize positivity/negativity of cusps of Gauss maps by geometric invariants of cuspidal edges, and show relation between sign of cusps and of the Gaussian curvature.", "revisions": [ { "version": "v1", "updated": "2020-03-24T03:50:00.000Z" } ], "analyses": { "subjects": [ "57R45", "53A05", "53A55" ], "keywords": [ "cuspidal edge", "gauss map", "gaussian curvature", "singularities" ], "note": { "typesetting": "TeX", "pages": 12, "language": "en", "license": "arXiv", "status": "editable" } } }