{ "id": "1106.1707", "version": "v1", "published": "2011-06-09T05:55:08.000Z", "updated": "2011-06-09T05:55:08.000Z", "title": "Nonuniformly expanding 1d maps with logarithmic singularities", "authors": [ "Hiroki Takahasi", "Qiudong Wang" ], "comment": "17 pages, no figure", "journal": "Nonlinearity 25 (2012) 533-550", "categories": [ "math.DS" ], "abstract": "For a certain parametrized family of maps on the circle with critical points and logarithmic singularities where derivatives blow up to infinity, we construct a positive measure set of parameters corresponding to maps which exhibit nonuniformly expanding behavior. This implies the existence of \"chaotic\" dynamics in dissipative homoclinic tangles in periodically perturbed differential equations.", "revisions": [ { "version": "v1", "updated": "2011-06-09T05:55:08.000Z" } ], "analyses": { "subjects": [ "34C15", "37D45", "37E10" ], "keywords": [ "nonuniformly expanding 1d maps", "logarithmic singularities", "positive measure set", "derivatives blow", "dissipative homoclinic tangles" ], "tags": [ "journal article" ], "publication": { "doi": "10.1088/0951-7715/25/2/533", "journal": "Nonlinearity", "year": 2012, "month": "Feb", "volume": 25, "number": 2, "pages": 533 }, "note": { "typesetting": "TeX", "pages": 17, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012Nonli..25..533T" } } }