On the grid Ramsey problem and related questions

  title={On the grid Ramsey problem and related questions},
  author={David Conlon and Jacob Fox and Choongbum Lee and Benny Sudakov},
The Hales–Jewett theorem is one of the pillars of Ramsey theory, from which many other results follow. A celebrated theorem of Shelah says that Hales–Jewett numbers are primitive recursive. A key tool used in his proof, now known as the cube lemma, has become famous in its own right. In its simplest form, this lemma says that if we color the edges of the… CONTINUE READING