{ "id": "1708.06790", "version": "v1", "published": "2017-08-22T19:19:42.000Z", "updated": "2017-08-22T19:19:42.000Z", "title": "Matroids with no $U_{2,n}$-minor and many hyperplanes", "authors": [ "Adam Brown", "Peter Nelson" ], "categories": [ "math.CO" ], "abstract": "We construct, for every $r \\ge 3$ and every prime power $q > 10$, a rank-$r$ matroid with no $U_{2,q+2}$-minor, having more hyperplanes than the rank-$r$ projective geometry over $\\mathrm{GF}(q)$.", "revisions": [ { "version": "v1", "updated": "2017-08-22T19:19:42.000Z" } ], "analyses": { "keywords": [ "hyperplanes", "prime power" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }