{ "id": "2012.09956", "version": "v1", "published": "2020-12-17T22:23:59.000Z", "updated": "2020-12-17T22:23:59.000Z", "title": "On the minimal sum of edges in a signed edge-dominated graph", "authors": [ "Danila Cherkashin", "Pavel Prozorov" ], "categories": [ "math.CO" ], "abstract": "We show that the minimal sum of edges in a signed edge-dominated graph with $n$ vertices is at least $-\\frac{n^2}{25}$. Also we provide an example of a signed edge-dominated graph with $n$ vertices with the sum of edges $-(1+o(1))\\frac{n^2}{8(1 + \\sqrt{2})^2}$.", "revisions": [ { "version": "v1", "updated": "2020-12-17T22:23:59.000Z" } ], "analyses": { "keywords": [ "signed edge-dominated graph", "minimal sum" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }