{ "id": "math/0210231", "version": "v2", "published": "2002-10-16T19:01:50.000Z", "updated": "2017-06-26T16:13:20.000Z", "title": "Biquotients with singly generated rational cohomology", "authors": [ "Vitali Kapovitch", "Wolfgang Ziller" ], "comment": "A missing homogeneous example added in Theorem A, as was pointed out by Jason DeVito", "journal": "Geometriae Dedicata, 104 (1), pp 149--160, 2004", "categories": [ "math.DG", "math.AT" ], "abstract": "We classify all biquotients whose rational cohomology rings are generated by one element. As a consequence we show that the Gromoll-Meyer 7-sphere is the only exotic sphere which can be written as a biquotient.", "revisions": [ { "version": "v1", "updated": "2002-10-16T19:01:50.000Z", "comment": null, "journal": null, "doi": null }, { "version": "v2", "updated": "2017-06-26T16:13:20.000Z" } ], "analyses": { "subjects": [ "53C20" ], "keywords": [ "singly generated rational cohomology", "biquotient", "rational cohomology rings", "exotic sphere", "consequence" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2002math.....10231K" } } }