Two-dimensional algebra and origami

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• James Griffin, DPMMS
• Friday 05 November 2010, 14:00-15:00
• MR4.

If you have a question about this talk, please contact Chris Bowman.

Given a finite set of elements in a group or a ring, an ordering of the elements must be chosen before they can be lined up and composed. I will discuss the kind of algebra where compositions are instead indexed by an n-tuple of distinct points in the plane. I will give examples, some of which may be familiar (although you might not have guessed it). My final example comes from a modern approach to the ancient art of origami.

This talk is part of the Junior Algebra and Number Theory seminar series.

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