{ "id": "2207.05840", "version": "v1", "published": "2022-07-12T21:07:43.000Z", "updated": "2022-07-12T21:07:43.000Z", "title": "Erd\\H os--Hajnal problem for $H$-free hypergraphs", "authors": [ "Danila Cherkashin", "Alexei Gordeev", "Georgii Strukov" ], "categories": [ "math.CO" ], "abstract": "This paper deals with the minimum number $m_H(r)$ of edges in an $H$-free graph with the chromatic number more than $r$. We show how bounds on Ramsey and Tur\\'an numbers imply bounds on $m_H(r)$.", "revisions": [ { "version": "v1", "updated": "2022-07-12T21:07:43.000Z" } ], "analyses": { "keywords": [ "free hypergraphs", "os-hajnal problem", "turan numbers imply bounds", "minimum number", "free graph" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }