{ "id": "2003.06285", "version": "v1", "published": "2020-03-12T16:56:19.000Z", "updated": "2020-03-12T16:56:19.000Z", "title": "Branch points and stability", "authors": [ "J. F. Jardine" ], "comment": "8 pages. arXiv admin note: substantial text overlap with arXiv:1908.06323", "categories": [ "math.AT" ], "abstract": "The hierarchy poset and branch point poset for a data set both admit a calculus of least upper bounds. A method involving upper bounds is used to show that the map of branch points associated to the inclusion of data sets is a controlled homotopy equivalence, where the control is expressed by an upper bound relation that is constrained by Hausdorff distance.", "revisions": [ { "version": "v1", "updated": "2020-03-12T16:56:19.000Z" } ], "analyses": { "subjects": [ "55U10", "68R10", "62H30" ], "keywords": [ "data set", "branch point poset", "upper bound relation", "hausdorff distance", "controlled homotopy equivalence" ], "note": { "typesetting": "TeX", "pages": 8, "language": "en", "license": "arXiv", "status": "editable" } } }