Monkeys! Mathematical groups! 4-dimensional geometry! Together at last!
This sculpture, called More Fun than a Hypercube of Monkeys, answers an open question: has the quaternion group ever appeared as the symmetry group of an object? Thanks to mathematician Henry Segerman and mathemusician Vi Hart, the answer is now yes. Their very readable paper about the sculpture will appear in the proceedings of the 2014 Bridges math-art conference, and you can read it for free now on the preprint server arxiv.
Read the full post on Roots of Unity.
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