{ "id": "0901.2557", "version": "v1", "published": "2009-01-16T19:36:51.000Z", "updated": "2009-01-16T19:36:51.000Z", "title": "On the rotation distance between binary trees", "authors": [ "Patrick Dehornoy" ], "categories": [ "math.CO" ], "abstract": "We develop combinatorial methods for computing the rotation distance between binary trees, i.e., equivalently, the flip distance between triangulations of a polygon. As an application, we prove that, for each n, there exist size n trees at distance 2n - O(sqrt(n)).", "revisions": [ { "version": "v1", "updated": "2009-01-16T19:36:51.000Z" } ], "analyses": { "subjects": [ "05C12", "20F38", "52B20" ], "keywords": [ "binary trees", "rotation distance", "combinatorial methods", "flip distance" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }