7-demicube — Demihepteract (7 demicube) Petrie polygon projection Type Uniform 7 polytope Family demihypercube Coxeter symbol 141 Schläfli symbol … 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
Hepteract — A hepteract is a seven dimensional hypercube with 128 vertices, 448 edges, 672 square faces, 560 cubic cells, 280 tesseract 4 faces, 84 penteract 5 faces, and 14 hexeract 6 faces.The name hepteract is derived from combining the name tesseract… … 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
Heptacross — A heptacross, is a regular 7 polytope with 14 vertices, 84 edges, 280 triangle faces, 560 octahedron cells, 672 5 cells 4 faces , 448 5 faces , and 128 6 faces .It is a part of an infinite family of polytopes, called cross polytopes or… … Wikipedia
Demihepteractic honeycomb — The demihepteractic heptacomb is a uniform space filling tessellation (or honeycomb) in Euclidean 7 space. It is constructed as an alternation of the regular hepteractic heptacomb.It is composed of two different types of facets. The hepteracts… … 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
9-demicube — Demienneract (9 demicube) Petrie polygon Type Uniform 9 polytope Family demihypercube Coxeter symbol 161 Schläfli symbol … Wikipedia
