• In geometry, a quasiregular polyhedron is a uniform polyhedron that has exactly two kinds of regular faces, which alternate around each vertex. They are...
    30 KB (1,523 words) - 07:56, 12 October 2024
  • mathematics, quasiregular may refer to: Quasiregular element, in the context of ring theory Quasiregular map in analysis Quasiregular polyhedron, in the context...
    292 bytes (65 words) - 21:30, 7 January 2012
  • Thumbnail for Icosidodecahedron
    Icosidodecahedron (category Quasiregular polyhedra)
    it is one of the Archimedean solids and more particularly, a quasiregular polyhedron. One way to construct the icosidodecahedron is to start with two...
    14 KB (1,334 words) - 23:29, 12 September 2024
  • discarded, either of two hemipolyhedra may be derived from each quasiregular polyhedron, except for the octahedron as a tetratetrahedron, where m = n =...
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  • Thumbnail for Cuboctahedron
    Cuboctahedron (category Quasiregular polyhedra)
    edges, each separating a triangle from a square. As such, it is a quasiregular polyhedron, i.e., an Archimedean solid that is not only vertex-transitive...
    19 KB (1,938 words) - 01:53, 9 October 2024
  • Thumbnail for Polyhedron
    In geometry, a polyhedron (pl.: polyhedra or polyhedrons; from Greek πολύ (poly-)  'many' and ἕδρον (-hedron)  'base, seat') is a three-dimensional figure...
    91 KB (10,118 words) - 17:46, 6 November 2024
  • (See the Dual polyhedron article.) There are nine convex isotoxal polyhedra: the five (regular) Platonic solids, the two (quasiregular) common cores of...
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  • Thumbnail for Uniform polyhedron
    of prisms and antiprisms, the convex polyhedrons as in 5 Platonic solids and 13 Archimedean solids—2 quasiregular and 11 semiregular— the non-convex star...
    66 KB (2,577 words) - 12:01, 27 October 2024
  • polyhedron {2,2}, which is both a hosohedron and a dihedron. All of these have Euler characteristic 2. Quasiregular polyhedron Semiregular polyhedron...
    32 KB (3,126 words) - 07:45, 29 July 2024
  • polygon). A quasiregular polyhedron is a uniform polyhedron which has just two kinds of face alternating around each vertex. A regular polyhedron is a uniform...
    30 KB (3,196 words) - 13:41, 12 November 2024
  • Thumbnail for Isohedral figure
    dimension 2 (a plane tiling) or higher, or a polytope of dimension 3 (a polyhedron) or higher, is isohedral or face-transitive if all its faces are the same...
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  • Thumbnail for Snub (geometry)
    , and . This alternated construction requires q to be even. A quasiregular polyhedron, with Schläfli symbol { p q } {\displaystyle {\begin{Bmatrix}p\\q\end{Bmatrix}}}...
    25 KB (1,424 words) - 16:35, 5 June 2024
  • semiregular polyhedron (or semiregular polytope) is used variously by different authors. In its original definition, it is a polyhedron with regular...
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  • Thumbnail for Midsphere
    or intersphere of a convex polyhedron is a sphere which is tangent to every edge of the polyhedron. Not every polyhedron has a midsphere, but the uniform...
    25 KB (2,926 words) - 04:00, 14 August 2024
  • In geometry, an omnitruncated polyhedron is a truncated quasiregular polyhedron. When they are alternated, they produce the snub polyhedra. All omnitruncated...
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  • polytopes, a complex quasiregular polyhedron can be constructed as a rectification (a complete truncation) of a regular polyhedron. Vertices are created...
    154 KB (6,979 words) - 07:15, 25 September 2024
  • Thumbnail for Hessian polyhedron
    In geometry, the Hessian polyhedron is a regular complex polyhedron 3{3}3{3}3, , in C 3 {\displaystyle \mathbb {C} ^{3}} . It has 27 vertices, 72 3{} edges...
    15 KB (738 words) - 04:34, 30 January 2024
  • Thumbnail for Rectification (geometry)
    rectified 4-polytopes. Dual polytope Quasiregular polyhedron List of regular polytopes Truncation (geometry) Conway polyhedron notation Weisstein, Eric W. "Rectification"...
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  • an indexed list of the uniform and stellated polyhedra from the book Polyhedron Models, by Magnus Wenninger. The book was written as a guide book to building...
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  • facets: The cuboctahedron, one of two quasiregular polyhedra, has 14 faces and is the only uniform polyhedron with radial equilateral symmetry. The rhombic...
    19 KB (2,063 words) - 07:38, 19 November 2024
  • Thumbnail for Honeycomb (geometry)
    regular honeycomb in Euclidean 3-space, the cubic honeycomb. Two are quasiregular (made from two types of regular cells): The tetrahedral-octahedral honeycomb...
    14 KB (1,321 words) - 01:30, 13 July 2024
  • Thumbnail for Uniform star polyhedron
    polyhedron is a self-intersecting uniform polyhedron. They are also sometimes called nonconvex polyhedra to imply self-intersecting. Each polyhedron can...
    18 KB (719 words) - 18:58, 10 July 2024
  • In geometry, a polytope (e.g. a polygon or polyhedron) or a tiling is isogonal or vertex-transitive if all its vertices are equivalent under the symmetries...
    9 KB (694 words) - 09:42, 15 August 2024
  • non-convex polyhedron is also a non-convex polyhedron. (By contraposition.) There are ten non-convex isotoxal polyhedra based on the quasiregular octahedron...
    15 KB (561 words) - 00:29, 24 September 2024
  • Thumbnail for Alternation (geometry)
    an alternation of a truncated regular or truncated quasiregular polyhedron. In general a polyhedron can be snubbed if its truncation has only even-sided...
    8 KB (735 words) - 12:19, 3 September 2024
  • Thumbnail for Rhombic dodecahedron
    Rhombic dodecahedron (category Quasiregular polyhedra)
    convex polyhedron with 12 congruent rhombic faces. It has 24 edges, and 14 vertices of 2 types. As a Catalan solid, it is the dual polyhedron of the cuboctahedron...
    24 KB (2,455 words) - 03:41, 12 November 2024
  • Thumbnail for Tessellation
    honeycomb, which has eight cubes at each polyhedron vertex. Similarly, in three dimensions there is just one quasiregular honeycomb, which has eight tetrahedra...
    58 KB (6,042 words) - 15:04, 19 August 2024
  • truncated icosidodecahedron - the three convex truncated quasiregular polyhedra. The only snub polyhedron with the chiral octahedral group of symmetries is the...
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  • Thumbnail for Rhombic triacontahedron
    Rhombic triacontahedron (category Quasiregular polyhedra)
    the triacontahedron as it is the most common thirty-faced polyhedron, is a convex polyhedron with 30 rhombic faces. It has 60 edges and 32 vertices of...
    12 KB (1,042 words) - 04:13, 20 November 2024
  • (dṓdeka) 'twelve' and ἕδρα (hédra) 'base, seat, face') or duodecahedron is any polyhedron with twelve flat faces. The most familiar dodecahedron is the regular...
    28 KB (2,048 words) - 19:07, 17 October 2024