UCLA Olga Radko Endowed Math Circle

4/28/2019 -- High School II: Wallpaper Patterns

What kinds of patterns can be used as wallpaper. What are their groups of symmetries, and how can we classify them? How many are there? We will attempt to answer some of these questions and learn how to use Thurston's "orbifold notation" for wallpaper patterns.

Handouts: