منابع مشابه
Extending the Gyárfás-Sumner conjecture
Say a set H of graphs is heroic if there exists k such that every graph containing no member of H as an induced subgraph has cochromatic number at most k. (The cochromatic number of G is the minimum number of stable sets and cliques with union V (G).) Assuming an old conjecture of Gyárfás and Sumner, we give a complete characterization of the finite heroic sets. This is a consequence of the fol...
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ژورنال
عنوان ژورنال: Annals of the Association of American Geographers
سال: 1921
ISSN: 0004-5608,1467-8306
DOI: 10.1080/00045602109357024