Poincaré conjecture

proper noun

The theorem that the only simply connected, closed 3-dimensional manifold is a sphere.

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Meanings

proper nounthe Poincaré conjecture
  1. historicalmathematicsThe theorem that the only simply connected, closed 3-dimensional manifold is a sphere.

Origin

Originally conjectured by Henri Poincaré.

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Cite this entry
APA

Poincaré conjecture. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Poincar%C3%A9%20conjecture

MLA

“Poincaré conjecture.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Poincar%C3%A9%20conjecture. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “Poincaré conjecture,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Poincar%C3%A9%20conjecture.

Source: Poincaré conjecture on Wiktionary, CC BY-SA 4.0.