{ "id": "2207.14187", "version": "v1", "published": "2022-07-28T15:55:26.000Z", "updated": "2022-07-28T15:55:26.000Z", "title": "The $(2,1)$-cable of the figure-eight knot is not smoothly slice", "authors": [ "Irving Dai", "Sungkyung Kang", "Abhishek Mallick", "JungHwan Park", "Matthew Stoffregen" ], "comment": "14 pages", "categories": [ "math.GT" ], "abstract": "We prove that the $(2,1)$-cable of the figure-eight knot is not smoothly slice by showing that its branched double cover bounds no equivariant homology ball.", "revisions": [ { "version": "v1", "updated": "2022-07-28T15:55:26.000Z" } ], "analyses": { "subjects": [ "57K18", "57M12" ], "keywords": [ "figure-eight knot", "smoothly slice", "equivariant homology ball", "branched double cover bounds" ], "note": { "typesetting": "TeX", "pages": 14, "language": "en", "license": "arXiv", "status": "editable" } } }