{ "id": "2011.00915", "version": "v1", "published": "2020-11-02T11:51:40.000Z", "updated": "2020-11-02T11:51:40.000Z", "title": "At most $4.47^n$ stable matchings", "authors": [ "Cory Palmer", "Dömötör Pálvölgyi" ], "categories": [ "math.CO", "cs.DM" ], "abstract": "We improve the upper bound for the maximum possible number of stable matchings among $n$ men and $n$ women from $O(131072^n)$ to $O(4.47^n)$. To establish this bound, we develop a novel formulation of a probabilistic technique that is easy to apply and may be of independent interest in counting other combinatorial objects.", "revisions": [ { "version": "v1", "updated": "2020-11-02T11:51:40.000Z" } ], "analyses": { "keywords": [ "stable matchings", "combinatorial objects", "upper bound", "independent interest", "probabilistic technique" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }