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    • Polynomial bounds for chromatic number II: Excluding a star-forest 

      Scott, Alex; Seymour, Paul; Spirkl, Sophie (Wiley, 2022-10)
      The Gyárfás–Sumner conjecture says that for every forest H, there is a function fH such that if G is H-free then x(G) ≤ fH(w(G)) (where x,w are the chromatic number and the clique number of G). Louis Esperet conjectured ...

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