8-demicube — Demiocteract (8 demicube) Petrie polygon projection Type Uniform 8 polytope Family demihypercube Coxeter symbol 151 … Wikipedia
List of mathematics articles (D) — NOTOC D D distribution D module D D Agostino s K squared test D Alembert Euler condition D Alembert operator D Alembert s formula D Alembert s paradox D Alembert s principle Dagger category Dagger compact category Dagger symmetric monoidal… … Wikipedia
Demihypercube — Not to be confused with Hemicube (geometry). Alternation of the n cube yields one of two n demicubes, as in this 3 dimensional illustration of the two tetrahedra that arise as the 3 demicubes of the 3 cube. In geometry, demihypercubes (also… … Wikipedia
Octeract — An octeract is an eight dimensional hypercube with 256 vertices, 1024 edges, 1792 square faces, 1792 cubic cells, 1120 tesseract 4 faces, 448 penteract 5 faces, 112 hexeract 6 faces, and 16 hepteract 7 faces.The name octeract is derived from… … Wikipedia
Enneract — An enneract is a nine dimensional hypercube with 512 vertices, 2304 edges, 4608 square faces, 5376 cubic cells, 4032 tesseract 4 faces, 2016 penteract 5 faces, 672 hexeract 6 faces, 144 hepteract 7 faces, and 18 octeract 8 faces.The name enneract … Wikipedia
Octacross — An octacross, is a regular 8 polytope with 16 vertices, 112 edges, 448 triangle faces, 1120 octahedron cells, 1792 5 cells 4 faces , 1792 5 faces , 1024 6 faces , and 256 7 faces .It is a part of an infinite family of polytopes, called cross… … Wikipedia
Demiocteractic honeycomb — The demiocteractic honeycomb is a uniform space filling tessellation (or honeycomb) in Euclidean 8 space. It is constructed as an alternation of the regular octeractic honeycomb.It is composed of two different types of facets. The octeracts… … Wikipedia
10-demicube — Demidekeract (10 demicube) Petrie polygon projection Type Uniform 10 polytope Family demihypercube Coxeter symbol 171 Schläfli symbol … Wikipedia
Uniform 1 k2 polytope — In geometry, 1k2 polytope or {31,k,2} is a uniform polytope in n dimensions (n = k+4) constructed from the En Coxeter group. The family was named by Coxeter as 1k2 by its bifurcating Coxeter Dynkin diagram, with a single ring on the end of the 1… … Wikipedia
Gosset 1 42 polytope — In 8 dimensional geometry, 142 is a uniform polytope, constructed from the E8 group. It is named by Coxeter as 142 by its bifurcating Coxeter Dynkin diagram, with a single ring on the end of the 2 node sequence. It is related to the 421 polytope … Wikipedia
