{ "id": "2309.00977", "version": "v1", "published": "2023-09-02T16:26:14.000Z", "updated": "2023-09-02T16:26:14.000Z", "title": "Improved stability ranges in the homology of Torelli and congruence subgroups", "authors": [ "Cihan Bahran" ], "comment": "16 pages", "categories": [ "math.AT", "math.GR", "math.GT", "math.RT" ], "abstract": "We improve the central stability ranges for +H2(Torelli subgroup of Aut(Fn)'s) as GL_n(Z)-representations, +H2(Torelli subgroup of mapping class groups) as Sp_2g(Z)-representations, +Hk(congruence subgroups of GL_n(R)'s) as SL_n^U(R/I)-representations.", "revisions": [ { "version": "v1", "updated": "2023-09-02T16:26:14.000Z" } ], "analyses": { "subjects": [ "20J06", "11F75", "18A25" ], "keywords": [ "congruence subgroups", "central stability ranges", "mapping class groups" ], "note": { "typesetting": "TeX", "pages": 16, "language": "en", "license": "arXiv", "status": "editable" } } }