{ "id": "1205.5163", "version": "v1", "published": "2012-05-23T12:18:53.000Z", "updated": "2012-05-23T12:18:53.000Z", "title": "Spanning trees with many leaves: lower bounds in terms of number of vertices of degree 1, 3 and at least~4", "authors": [ "Dmitri Karpov" ], "comment": "26 pages. Russian version: POMI Preprint 16/2011, http://www.pdmi.ras.ru/preprint/2011/11-16.html", "journal": "Journal of Mathematical Sciences, Volume 196, Issue 6 (2014), pp 768-783", "doi": "10.1007/s10958-014-1692-7", "categories": [ "math.CO" ], "abstract": "We prove that every connected graph with $s$ vertices of degree~1 and 3 and $t$ vertices of degree at least~4 has a spanning tree with at least ${1\\over 3}t +{1\\over 4}s+{3\\over 2}$ leaves. We present infinite series of graphs showing that our bound is tight.", "revisions": [ { "version": "v1", "updated": "2012-05-23T12:18:53.000Z" } ], "analyses": { "subjects": [ "05C05", "05C07" ], "keywords": [ "spanning tree", "lower bounds", "infinite series", "connected graph" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 26, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1205.5163K" } } }