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math.HO2022
A Proof Without Words: Triangles in the Triangular Grid
Peter Kagey
This proof without words demonstrates that there are equilateral triangles in the regular -vertices-per-side triangular grid by describing a map from four-eleme…
math.CO2022
Spinning switches on a wreath product
Peter Kagey
We classify an algebraic phenomenon on certain families of wreath products that can be seen as coming from a family of puzzles about switches on the corners of a spinning table. Su…