{ "id": "1307.8386", "version": "v4", "published": "2013-07-31T16:56:19.000Z", "updated": "2014-07-30T14:44:28.000Z", "title": "Intersections of the Hermitian surface with irreducible quadrics in $PG(3,q^2)$, $q$ odd", "authors": [ "Angela Aguglia", "Luca Giuzzi" ], "comment": "14 pages; clarified the case q=3", "journal": "Finite Fields Appl. 30 (2014), 1-13", "doi": "10.1016/j.ffa.2014.05.005", "categories": [ "math.CO" ], "abstract": "In $PG(3,q^2)$, with $q$ odd, we determine the possible intersection sizes of a Hermitian surface $\\mathcal{H}$ and an irreducible quadric $\\mathcal{Q}$ having the same tangent plane $\\pi$ at a common point $P\\in{\\mathcal Q}\\cap{\\mathcal H}$.", "revisions": [ { "version": "v4", "updated": "2014-07-30T14:44:28.000Z" } ], "analyses": { "subjects": [ "05B25", "51D20", "51E20" ], "keywords": [ "hermitian surface", "irreducible quadric", "common point", "tangent plane" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 14, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2013arXiv1307.8386A" } } }