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flatsurf / surface-dynamics

Teichmüller dynamics in SageMath
https://flatsurf.github.io/surface-dynamics/
GNU General Public License v2.0
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FlippedPermutation.is_identity() #73

Open magalijay opened 9 months ago

magalijay commented 9 months ago 
sage: p = iet.Permutation("a -b","a -b")
sage: p.is_identity()
True

should have been False since there is a flip