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magfrump comments on What was your biggest recent surprise? - Less Wrong Discussion

11 Post author: DataPacRat 09 June 2012 11:57PM

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Comment author: magfrump 11 June 2012 06:23:34AM 3 points [-]

Possibly even weirder, on a sphere the composition of two periodic rotations is not necessarily periodic.

This seems really unsurprising to me given the infinite dihedral group being generated by two reflections.