{ "id": "1905.11869", "version": "v1", "published": "2019-05-28T15:08:25.000Z", "updated": "2019-05-28T15:08:25.000Z", "title": "Cohomology and the Brauer groups of diagonal surfaces", "authors": [ "Damián Gvirtz", "Alexei N. Skorobogatov" ], "comment": "36 pages. Appendices A and B containing results of computer computations can be found in the full version of the paper, available at http://wwwf.imperial.ac.uk/~anskor/publ.htm", "categories": [ "math.AG" ], "abstract": "We present a method for calculating the Brauer group of a surface given by a diagonal equation in the projective space. For diagonal quartic surfaces with coefficients in Q we determine the Brauer groups over Q and Q(i).", "revisions": [ { "version": "v1", "updated": "2019-05-28T15:08:25.000Z" } ], "analyses": { "subjects": [ "14F22", "14Q10" ], "keywords": [ "brauer group", "diagonal surfaces", "cohomology", "diagonal quartic surfaces" ], "note": { "typesetting": "TeX", "pages": 36, "language": "en", "license": "arXiv", "status": "editable" } } }