de Bruijn-Erdős theorem

English

Etymology

Named after the mathematicians Nicolaas Govert de Bruijn and Paul Erdős.

Proper noun

de Bruijn-Erdős theorem

  1. (graph theory) A theorem stating that, when all finite subgraphs of an infinite graph can be colored using c colors, the same is true for the parent graph.
  2. (geometry) A theorem that states a lower bound on the number of lines determined by n points in a projective plane.
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.