convex polytopes are often simply called "polytopes". Grünbaum points out that this is solely to avoid the endless repetition of the word "convex",...
23 KB (3,271 words) - 20:14, 22 April 2025
following table lists some properties of the six convex regular 4-polytopes. The symmetry groups of these 4-polytopes are all Coxeter groups and given in the notation...
27 KB (1,648 words) - 08:01, 15 October 2024
Convex Polytopes is a graduate-level mathematics textbook about convex polytopes, higher-dimensional generalizations of three-dimensional convex polyhedra...
8 KB (918 words) - 06:55, 11 October 2024
cell, consists of a polyhedron. A polytope may be convex. The convex polytopes are the simplest kind of polytopes, and form the basis for several different...
26 KB (3,119 words) - 13:39, 14 May 2025
related to the infinite 2D square tiling. Convex 4-polytopes can be cut and unfolded as nets in 3-space. A 4-polytope is a closed four-dimensional figure....
16 KB (1,773 words) - 18:07, 25 March 2025
Polyhedron (redirect from Convex polyhedra)
A.; Fukuda, K. (2000), "Exact Volume Computation for Polytopes: A Practical Study", Polytopes — Combinatorics and Computation, pp. 131–154, CiteSeerX 10...
97 KB (10,628 words) - 02:52, 13 May 2025
treatment of the polytopes regularly derived from the regular polytopes, followed Boole-Stott's notations, enumerating the convex uniform polytopes by symmetry...
134 KB (4,315 words) - 11:59, 20 April 2025
the convex hulls of indicator vectors of solutions to a combinatorial problem. If the facets of these polytopes can be found, describing the polytopes as...
57 KB (7,147 words) - 20:40, 3 March 2025
4-dimensional cross-polytope also goes by the name hexadecachoron or 16-cell. It is one of the six convex regular 4-polytopes. These 4-polytopes were first described...
22 KB (1,106 words) - 20:48, 16 April 2025
Interval (mathematics) (section Convex polytopes)
(of arbitrary orientation) is (the interior of) a convex polytope, or in the 2-dimensional case a convex polygon. An open interval is a connected open set...
34 KB (4,814 words) - 13:06, 6 April 2025
regular polytopes in Euclidean, spherical and hyperbolic spaces. This table shows a summary of regular polytope counts by rank. Only counting polytopes of...
100 KB (5,446 words) - 18:33, 2 May 2025
algorithmic treatment of convex polyhedra. Albeit primarily a tool to study the combinatorics and the geometry of convex polytopes and polyhedra, it is by...
14 KB (1,306 words) - 19:19, 20 August 2024
Face (geometry) (redirect from Polytope face)
of a face of a convex set, given below. In other areas of mathematics, such as the theories of abstract polytopes and star polytopes, the requirement...
15 KB (1,875 words) - 19:29, 1 May 2025
specific polytopes (especially 0-1 polytopes, whose vertices are subsets of a hypercube) arising from integer programming problems. A face of a convex polytope...
19 KB (2,304 words) - 19:59, 1 August 2024
describe a more general class of convex polytopes in three or more dimensions, obtained by gluing together polytopes combinatorially equivalent to hypercubes...
6 KB (350 words) - 09:49, 10 May 2025
triangle is strictly convex. Convex curve – Type of plane curve Concave polygon – Simple polygon which is not convex Convex polytope – Convex hull of a finite...
6 KB (881 words) - 09:02, 13 March 2025
Dimensions. Convex uniform polytopes: 1940: The search was expanded systematically by H.S.M. Coxeter in his publication Regular and Semi-Regular Polytopes. Nonregular...
68 KB (1,491 words) - 10:18, 10 May 2025
forms a convex uniform honeycomb in which the cells are zonohedra. 1900: Thorold Gosset enumerated the list of semiregular convex polytopes with regular...
67 KB (2,193 words) - 13:34, 13 April 2025
centers of the 122. These polytopes are from a family of 39 convex uniform polytopes in 6-dimensions, made of uniform polytope facets and vertex figures...
26 KB (858 words) - 17:32, 15 December 2024
Octahedron (redirect from 3-cross-polytope)
Ziegler, Günter M. (1995). "Chapter 4: Steinitz' Theorem for 3-Polytopes". Lectures on Polytopes. Graduate Texts in Mathematics. Vol. 152. Springer-Verlag...
37 KB (3,708 words) - 18:19, 13 May 2025
Cauchy's theorem (geometry) (category Polytopes)
a theorem in geometry, named after Augustin Cauchy. It states that convex polytopes in three dimensions with congruent corresponding faces must be congruent...
6 KB (768 words) - 08:09, 9 May 2024
complexes of convex polytopes", Mathematische Annalen, 210: 7–16, doi:10.1007/BF01344542, MR 0350623 Matteo, Nicholas (2015), Convex Polytopes and Tilings...
16 KB (2,533 words) - 23:06, 7 May 2025
points. Integral polytopes are also called lattice polytopes or Z-polytopes. The special cases of two- and three-dimensional integral polytopes may be called...
8 KB (947 words) - 15:42, 8 February 2025
Schläfli symbol (category Polytope notation systems)
geometry to more than three dimensions and discovered all their convex regular polytopes, including the six that occur in four dimensions. The Schläfli...
38 KB (1,985 words) - 15:28, 14 May 2025
5-polytope is contained in the 5-polytope or its interior; otherwise, it is non-convex. Self-intersecting 5-polytopes are also known as star polytopes,...
9 KB (878 words) - 16:57, 12 May 2025
Upper bound theorem (section Cyclic polytopes)
upper bound theorem states that cyclic polytopes have the largest possible number of faces among all convex polytopes with a given dimension and number of...
4 KB (709 words) - 03:18, 12 April 2025
on the rigidity of convex polytopes. Special polytopes are also considered, such as permutohedra, associahedra and Birkhoff polytopes. Combinatorial geometry...
33 KB (3,524 words) - 20:02, 6 May 2025
polyhedra, such as the Cauchy theorem on rigidity of convex polytopes. The study of regular polytopes, Archimedean solids, and kissing numbers is also a...
1 KB (131 words) - 07:54, 18 November 2024
k-neighborly polytope is a convex polytope in which every set of k or fewer vertices forms a face. For instance, a 2-neighborly polytope is a polytope in which...
6 KB (732 words) - 07:53, 5 December 2024
Algorithms that construct convex hulls of various objects have a broad range of applications in mathematics and computer science. In computational geometry...
17 KB (2,326 words) - 04:22, 2 May 2025