Footballs are more interesting than Football

Footballs are more interesting than Football

The final meeting of the College Mathematics Society was a very special event. Dr Jim Simons (formerly GCHQ) gave a truly excellent talk on Orifolds with the subtitle, "Footballs are more interesting than football". This talk introduced the pupils to many new concepts in Geometry, in particular, the 17 spherical symmetry patterns, and the 17 "wallpaper patterns" in the plane. The talk finished with a remarkable proof of the Magic Theorem, which enumerates these patterns.

 

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