{ "id": "1504.02403", "version": "v1", "published": "2015-04-09T17:58:49.000Z", "updated": "2015-04-09T17:58:49.000Z", "title": "New Lower Bounds for $18$ Classical $2$-Color Ramsey Numbers", "authors": [ "Geoffrey Exoo", "Milos Tatarevic" ], "comment": "6 pages", "categories": [ "math.CO" ], "abstract": "New lower bounds for $18$ classical $2$-color Ramsey numbers are presented. Several of the these constructions are derived from two well-known colorings: the Paley coloring on $101$ vertices and the cubic coloring on $127$ vertices.", "revisions": [ { "version": "v1", "updated": "2015-04-09T17:58:49.000Z" } ], "analyses": { "subjects": [ "05C55", "05D10" ], "keywords": [ "color ramsey numbers", "lower bounds", "well-known colorings", "constructions" ], "note": { "typesetting": "TeX", "pages": 6, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2015arXiv150402403E" } } }