bn:00368854n
Noun Concept
Categories: Polytopes, Multi-dimensional geometry
EN
Uniform k 21 polytope  Gosset semiregular polytope  Semiregular E-polytope  Semiregular k 21 polytope  Uniform k21 polytope
EN
In geometry, a uniform k21 polytope is a polytope in k + 4 dimensions constructed from the En Coxeter group, and having only regular polytope facets. Wikipedia
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