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Poincaré–Birkhoff theorem (Q3527140)

From Wikidata
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
  • Poincare–Birkhoff theorem
  • Poincaré's last geometric theorem
  • Poincaré's last theorem
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    English
    Poincaré–Birkhoff 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
    • Poincare–Birkhoff theorem
    • Poincaré's last geometric theorem
    • Poincaré's last theorem

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