{ "id": "1805.11796", "version": "v1", "published": "2018-05-30T04:15:44.000Z", "updated": "2018-05-30T04:15:44.000Z", "title": "Decomposing functions of Baire class $2$ on Polish spaces", "authors": [ "Longyun Ding", "Jiafei Zhao" ], "comment": "18 pages", "categories": [ "math.LO" ], "abstract": "We prove the Decomposability Conjecture for functions of Baire class $2$ on a Polish space to a separable metrizable space. This partially answer an important open problem in descriptive set theory.", "revisions": [ { "version": "v1", "updated": "2018-05-30T04:15:44.000Z" } ], "analyses": { "subjects": [ "03E15", "54H05", "26A21" ], "keywords": [ "baire class", "polish space", "decomposing functions", "important open problem", "decomposability conjecture" ], "note": { "typesetting": "TeX", "pages": 18, "language": "en", "license": "arXiv", "status": "editable" } } }