Edmund Harriss introduces a very cool tiling and talks about Tribonacci Numbers.
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Papers relating to this video...
Nombres algébriques et substitutions: http://archive.numdam.org/item/BSMF_1982__110__147_0/
Algebraic numbers, free group automorphisms and substitutions on the plane: https://doi.org/10.1090/S0002-9947-2011-05188-3

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