polytopes-2021-11-29

polytopes-2021-11-29

polytopes-2021-11-29.pdf

The classification of the regular polytopes. In every dimension, there are analogues of the tetrahedron, cube, and octahedron; in the fourth dimension, there are analogues of the icosahedron and dodecahedron, and there is a kind of hybrid; and that is all

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