• Media type: Text; E-Article; Electronic Conference Proceeding
  • Title: Bounded VC-Dimension Implies the Schur-Erdős Conjecture
  • Contributor: Fox, Jacob [Author]; Pach, János [Author]; Suk, Andrew [Author]
  • Published: Schloss Dagstuhl – Leibniz-Zentrum für Informatik, 2020
  • Language: English
  • DOI: https://doi.org/10.4230/LIPIcs.SoCG.2020.46
  • Keywords: Ramsey theory ; Multicolor Ramsey numbers ; VC-dimension
  • Origination:
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  • Description: In 1916, Schur introduced the Ramsey number r(3;m), which is the minimum integer n > 1 such that for any m-coloring of the edges of the complete graph K_n, there is a monochromatic copy of K₃. He showed that r(3;m) ≤ O(m!), and a simple construction demonstrates that r(3;m) ≥ 2^Ω(m). An old conjecture of Erdős states that r(3;m) = 2^Θ(m). In this note, we prove the conjecture for m-colorings with bounded VC-dimension, that is, for m-colorings with the property that the set system induced by the neighborhoods of the vertices with respect to each color class has bounded VC-dimension.
  • Access State: Open Access