{ "id": "2004.08294", "version": "v1", "published": "2020-04-17T15:09:47.000Z", "updated": "2020-04-17T15:09:47.000Z", "title": "Dimension of Restricted Classes of Interval Orders", "authors": [ "Mitchel T. Keller", "Ann N. Trenk", "Stephen J. Young" ], "comment": "7 pages, 3 figures", "categories": [ "math.CO" ], "abstract": "Rabinovitch showed in 1978 that the interval orders having a representation consisting of only closed unit intervals have order dimension at most 3. This article shows that the same dimension bound applies to two other classes of posets: those having a representation consisting of unit intervals (but with a mixture of open and closed intervals allowed) and those having a representation consisting of closed intervals with lengths in $\\{0,1\\}$.", "revisions": [ { "version": "v1", "updated": "2020-04-17T15:09:47.000Z" } ], "analyses": { "subjects": [ "06A07" ], "keywords": [ "interval orders", "restricted classes", "representation consisting", "closed intervals", "dimension bound applies" ], "note": { "typesetting": "TeX", "pages": 7, "language": "en", "license": "arXiv", "status": "editable" } } }