Poincaré conjecture

Definition from Wiktionary, the free dictionary
Jump to: navigation, search

English[edit]

Wikipedia has an article on:

Wikipedia

Noun[edit]

the Poincaré conjecture (singular only)

  1. That the only simply connected, closed 3-dimensional manifold is a sphere.

Usage notes[edit]

  • This is still (2008) known as the Poincaré conjecture but is now a theorem rather than a conjecture.