Poincaré–Birkhoff theorem
Sign in to saveAlso known as Poincare–Birkhoff theorem, Poincaré's last geometric theorem, Poincaré's last theorem
in symplectic topology, the theorem that every area-preserving, orientation-preserving homeomorphism of an annulus that rotates the two boundaries in opposite directions has at least two fixed points
Wikidata facts
- Instance of
- theorem
- Named after
- George David Birkhoff
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- discoverer or inventor
- Henri Poincaré
- time of discovery or invention
- 1912-00-00
- maintained by WikiProject
- WikiProject Mathematics
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