{ "id": "1804.00158", "version": "v2", "published": "2018-03-31T10:58:08.000Z", "updated": "2018-04-11T07:35:30.000Z", "title": "On the maximum number of minimum dominating sets in forests", "authors": [ "J. D. Alvarado", "S. Dantas", "E. Mohr", "D. Rautenbach" ], "categories": [ "math.CO" ], "abstract": "Fricke, Hedetniemi, Hedetniemi, and Hutson asked whether every tree with domination number $\\gamma$ has at most $2^\\gamma$ minimum dominating sets. Bien gave a counterexample, which allows to construct forests with domination number $\\gamma$ and $2.0598^\\gamma$ minimum dominating sets. We show that every forest with domination number $\\gamma$ has at most $2.4606^\\gamma$ minimum dominating sets, and that every tree with independence number $\\alpha$ has at most $2^{\\alpha-1}+1$ maximum independent sets.", "revisions": [ { "version": "v2", "updated": "2018-04-11T07:35:30.000Z" } ], "analyses": { "keywords": [ "minimum dominating sets", "maximum number", "domination number", "maximum independent sets", "hedetniemi" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }