The E6 Root Polytope

· John Carlos Baez · Sept. 6, 2026, 2:44 p.m.
Summary
The blog post discusses the E6 root polytope, exploring its mathematical structure, including its relationship to the higher-dimensional E7 algebra. The author provides insights into visualizing the polytope through its 4-dimensional faces, known as 4-demicubes, while reflecting on their significance in the context of the Lie algebra E6.
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