Portal:Mathematics/Featured picture/2010 08

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Picture of the month

Order-3 heptakis heptagonal tiling.png
Credit: Rocchini

There are an infinite number of uniform tilings on the hyperbolic plane based on the (p q r) where 1/p + 1/q + 1/r < 1. p,q,r are each orders of reflection symmetry at three points of the fundamental domain triangle – the symmetry group is a hyperbolic triangle group.

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