{ "id": "1112.3353", "version": "v1", "published": "2011-12-14T21:01:24.000Z", "updated": "2011-12-14T21:01:24.000Z", "title": "On the bend-number of planar and outerplanar graphs", "authors": [ "Daniel Heldt", "Kolja Knauer", "Torsten Ueckerdt" ], "comment": "appears in proceedings of 10th Latin American Symposium on Theoretical Informatics (LATIN 2012)", "categories": [ "math.CO", "cs.DM" ], "abstract": "The bend-number b(G) of a graph G is the minimum k such that G may be represented as the edge intersection graph of a set of grid paths with at most k bends. We confirm a conjecture of Biedl and Stern showing that the maximum bend-number of outerplanar graphs is 2. Moreover we improve the formerly known lower and upper bound for the maximum bend-number of planar graphs from 2 and 5 to 3 and 4, respectively.", "revisions": [ { "version": "v1", "updated": "2011-12-14T21:01:24.000Z" } ], "analyses": { "subjects": [ "05C62", "G.2.1", "F.2.2" ], "keywords": [ "outerplanar graphs", "maximum bend-number", "edge intersection graph", "upper bound", "grid paths" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }