Sir Timothy Gowers (Fields Medallist and Mathematics Professor) talks about Van der Waerden's theorem, which belongs to the mathematical topic Ramsey theory.

Colouring Numbers - Numberphile

Numberphile

Jan 21, 2020

• https://www.youtube.com/watch?v=kE3OuzlkUnU
  • 11m13s

Colouring Numbers (extra) - Numberphile

Numberphile2

Jan 22, 2020

• https://www.youtube.com/watch?v=hHIfJcwipAY
  • 4m43s

WP: Timothy Gowers WP: Van der Waerden's theorem WP: Ramsey theory