{ "id": "1001.2551", "version": "v1", "published": "2010-01-14T20:41:33.000Z", "updated": "2010-01-14T20:41:33.000Z", "title": "The Elementary Divisors of the Incidence Matrices of Skew Lines in PG(3,p)", "authors": [ "Joshua Ducey", "Peter Sin" ], "comment": "9 pages", "categories": [ "math.CO", "math.RT" ], "abstract": "The elementary divisors of the incidence matrices of lines in $PG(3,p)$ are computed, where two lines are incident if and only if they are skew.", "revisions": [ { "version": "v1", "updated": "2010-01-14T20:41:33.000Z" } ], "analyses": { "subjects": [ "05B20", "05E18", "20C33" ], "keywords": [ "incidence matrices", "elementary divisors", "skew lines" ], "note": { "typesetting": "TeX", "pages": 9, "language": "en", "license": "arXiv", "status": "editable" } } }