10-polytope
Encyclopedia
Graphs of three regular and related uniform polytope
Uniform polytope
A uniform polytope is a vertex-transitive polytope made from uniform polytope facets of a lower dimension. Uniform polytopes of 2 dimensions are the regular polygons....

s.

10-simplex
10-simplex
In geometry, a 10-simplex is a self-dual regular 10-polytope. It has 11 vertices, 55 edges, 165 triangle faces, 330 tetrahedral cells, 462 5-cell 4-faces, 462 5-simplex 5-faces, 330 6-simplex 6-faces, 165 7-simplex 7-faces, 55 8-simplex 8-faces, and 11 9-simplex 9-faces...


Truncated 10-simplex

Rectified 10-simplex
Rectified 10-simplex
In ten-dimensional geometry, a rectified 10-simplex is a convex uniform 10-polytope, being a rectification of the regular 10-simplex.These polytopes are part of a family of 527 uniform 10-polytopes with A10 symmetry....


Cantellated 10-simplex

Runcinated 10-simplex

Stericated 10-simplex

Pentallated 10-simplex

Hexicated 10-simplex

Heptellated 10-simplex

Octellated 10-simplex

Ennecated 10-simplex

10-orthoplex

Truncated 10-orthoplex

Rectified 10-orthoplex
Rectified 10-orthoplex
In ten-dimensional geometry, a rectified 10-orthoplex is a convex uniform 10-polytope, being a rectification of the regular 10-orthoplex.There are 10 rectifications of the 10-orthoplex. Vertices of the rectified 10-orthoplex are located at the edge-centers of the 9-orthoplex. Vertices of the...


10-cube
10-cube
In geometry, a 10-cube is a ten-dimensional hypercube. It has 1024 vertices, 5120 edges, 11520 square faces, 15360 cubic cells, 13440 tesseract 4-faces, 8064 5-cube 5-faces, 3360 6-cube 6-faces, 960 7-cube 7-faces, 180 8-cube 8-faces, and 20 9-cube 9-faces....


Truncated 10-cube

Rectified 10-cube
Rectified 10-cube
In ten-dimensional geometry, a rectified 10-cube is a convex uniform 10-polytope, being a rectification of the regular 10-cube.There are 10 rectifications of the 10-cube, with the zeroth being the 10-cube itself. Vertices of the rectified 10-cube are located at the edge-centers of the 10-cube...


10-demicube
10-demicube
In geometry, a demidekeract or 10-demicube is a uniform 10-polytope, constructed from the 10-cube with alternated vertices deleted. It is part of a dimensionally infinite family of uniform polytopes called demihypercubes....


Truncated 10-demicube

In ten-dimensional geometry
Geometry
Geometry arose as the field of knowledge dealing with spatial relationships. Geometry was one of the two fields of pre-modern mathematics, the other being the study of numbers ....

, a 10-polytope is a 10 dimensional polytope
Polytope
In elementary geometry, a polytope is a geometric object with flat sides, which exists in any general number of dimensions. A polygon is a polytope in two dimensions, a polyhedron in three dimensions, and so on in higher dimensions...

 contained by 9-polytope facets. Each 8-polytope
8-polytope
In eight-dimensional geometry, a polyzetton is a polytope contained by 7-polytope facets. Each 6-polytope ridge being shared by exactly two 7-polytope facets....

 ridge
Ridge (geometry)
In geometry, a ridge is an -dimensional element of an n-dimensional polytope. It is also sometimes called a subfacet for having one lower dimension than a facet.By dimension, this corresponds to:*a vertex of a polygon;...

 being shared by exactly two 9-polytope
9-polytope
In nine-dimensional geometry, a polyyotton is a polytope contained by 8-polytope facets. Each 7-polytope ridge being shared by exactly two 8-polytope facets....

 facets
Facet (mathematics)
A facet of a simplicial complex is a maximal simplex.In the general theory of polyhedra and polytopes, two conflicting meanings are currently jostling for acceptability:...

.

A uniform 10-polytope is one which is vertex-transitive
Vertex-transitive
In geometry, a polytope is isogonal or vertex-transitive if, loosely speaking, all its vertices are the same...

, and constructed from uniform facets.

A proposed name for 10-polytope is polyxennon (plural: polyxenna), created from poly- xenna (a variation on ennea
Ennea
Ennea was the second album by jazz-rock fusion band Chase. It did not repeat the commercial success of their debut album, mostly due to the lack of a top 40 hit and the extended suite to Greek Mythology on side 2, which lacked the "commercial appeal" the first LP had...

 meaning nine) and -on.

Regular 10-polytopes

Regular 10-polytopes can be represented by the Schläfli symbol {p,q,r,s,t,u,v,w,x}, with x {p,q,r,s,t,u,v,w} 9-polytope facets
Facet (mathematics)
A facet of a simplicial complex is a maximal simplex.In the general theory of polyhedra and polytopes, two conflicting meanings are currently jostling for acceptability:...

 around each peak
Peak (geometry)
In geometry, a peak is an -face of an n-dimensional polytope. A peak attaches at least three facets ....

.

There are exactly three such convex regular 10-polytopes:
  1. {3,3,3,3,3,3,3,3,3} - 10-simplex
    10-simplex
    In geometry, a 10-simplex is a self-dual regular 10-polytope. It has 11 vertices, 55 edges, 165 triangle faces, 330 tetrahedral cells, 462 5-cell 4-faces, 462 5-simplex 5-faces, 330 6-simplex 6-faces, 165 7-simplex 7-faces, 55 8-simplex 8-faces, and 11 9-simplex 9-faces...

  2. {4,3,3,3,3,3,3,3,3} - 10-cube
    10-cube
    In geometry, a 10-cube is a ten-dimensional hypercube. It has 1024 vertices, 5120 edges, 11520 square faces, 15360 cubic cells, 13440 tesseract 4-faces, 8064 5-cube 5-faces, 3360 6-cube 6-faces, 960 7-cube 7-faces, 180 8-cube 8-faces, and 20 9-cube 9-faces....

  3. {3,3,3,3,3,3,3,3,4} - 10-orthoplex


There are no nonconvex regular 10-polytopes.

Euler characteristic

The Euler characteristic
Euler characteristic
In mathematics, and more specifically in algebraic topology and polyhedral combinatorics, the Euler characteristic is a topological invariant, a number that describes a topological space's shape or structure regardless of the way it is bent...

 for 10-polytopes that are topological 9-spheres (including all convex 10-polytopes) is zero. χ=V-E+F-C+f4-f5+f6-f7+f8-f9=0.

Uniform 10-polytopes by fundamental Coxeter groups

Uniform 10-polytopes with reflective symmetry can be generated by these three Coxeter groups, represented by permutations of rings of the Coxeter-Dynkin diagram
Coxeter-Dynkin diagram
In geometry, a Coxeter–Dynkin diagram is a graph with numerically labeled edges representing the spatial relations between a collection of mirrors...

s:
# Coxeter group
Coxeter group
In mathematics, a Coxeter group, named after H.S.M. Coxeter, is an abstract group that admits a formal description in terms of mirror symmetries. Indeed, the finite Coxeter groups are precisely the finite Euclidean reflection groups; the symmetry groups of regular polyhedra are an example...

Coxeter-Dynkin diagram
Coxeter-Dynkin diagram
In geometry, a Coxeter–Dynkin diagram is a graph with numerically labeled edges representing the spatial relations between a collection of mirrors...

1 A10 [39]
2 B10 [4,38]
3 D10 [37,1,1]


Selected regular and uniform 10-polytopes from each family include:
  1. Simplex
    Simplex
    In geometry, a simplex is a generalization of the notion of a triangle or tetrahedron to arbitrary dimension. Specifically, an n-simplex is an n-dimensional polytope which is the convex hull of its n + 1 vertices. For example, a 2-simplex is a triangle, a 3-simplex is a tetrahedron,...

     family: A10 [39] -
    • 527 uniform 10-polytopes as permutations of rings in the group diagram, including one regular:
      1. {39} - 10-simplex
        10-simplex
        In geometry, a 10-simplex is a self-dual regular 10-polytope. It has 11 vertices, 55 edges, 165 triangle faces, 330 tetrahedral cells, 462 5-cell 4-faces, 462 5-simplex 5-faces, 330 6-simplex 6-faces, 165 7-simplex 7-faces, 55 8-simplex 8-faces, and 11 9-simplex 9-faces...

        -
  2. Hypercube
    Hypercube
    In geometry, a hypercube is an n-dimensional analogue of a square and a cube . It is a closed, compact, convex figure whose 1-skeleton consists of groups of opposite parallel line segments aligned in each of the space's dimensions, perpendicular to each other and of the same length.An...

    /orthoplex family: B10 [4,38] -
    • 1023 uniform 10-polytopes as permutations of rings in the group diagram, including two regular ones:
      1. {4,38} - 10-cube
        10-cube
        In geometry, a 10-cube is a ten-dimensional hypercube. It has 1024 vertices, 5120 edges, 11520 square faces, 15360 cubic cells, 13440 tesseract 4-faces, 8064 5-cube 5-faces, 3360 6-cube 6-faces, 960 7-cube 7-faces, 180 8-cube 8-faces, and 20 9-cube 9-faces....

        or dekeract -
      2. {38,4} - 10-orthoplex or decacross -
      3. h{4,38} - 10-demicube
        10-demicube
        In geometry, a demidekeract or 10-demicube is a uniform 10-polytope, constructed from the 10-cube with alternated vertices deleted. It is part of a dimensionally infinite family of uniform polytopes called demihypercubes....

        .
  3. Demihypercube D10 family: [37,1,1] -
    • 767 uniform 10-polytopes as permutations of rings in the group diagram, including:
      1. 17,1 - 10-demicube
        10-demicube
        In geometry, a demidekeract or 10-demicube is a uniform 10-polytope, constructed from the 10-cube with alternated vertices deleted. It is part of a dimensionally infinite family of uniform polytopes called demihypercubes....

        or demidekeract -
      2. 71,1 - 10-orthoplex -

The A10 family

The A10 family has symmetry of order 39,916,800 (11 factorial
Factorial
In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n...

).

There are 512+16-1=527 forms based on all permutations of the Coxeter-Dynkin diagram
Coxeter-Dynkin diagram
In geometry, a Coxeter–Dynkin diagram is a graph with numerically labeled edges representing the spatial relations between a collection of mirrors...

s with one or more rings. 31 are shown below: all one and two ringed forms, and the final omnitruncated form. Bowers-style acronym names are given in parentheses for cross-referencing.
# Graph Coxeter-Dynkin diagram
Coxeter-Dynkin diagram
In geometry, a Coxeter–Dynkin diagram is a graph with numerically labeled edges representing the spatial relations between a collection of mirrors...


Schläfli symbol
Name
Element counts
9-faces 8-faces 7-faces 6-faces 5-faces 4-faces Cells Faces Edges Vertices
1

t0{3,3,3,3,3,3,3,3,3}
10-simplex
10-simplex
In geometry, a 10-simplex is a self-dual regular 10-polytope. It has 11 vertices, 55 edges, 165 triangle faces, 330 tetrahedral cells, 462 5-cell 4-faces, 462 5-simplex 5-faces, 330 6-simplex 6-faces, 165 7-simplex 7-faces, 55 8-simplex 8-faces, and 11 9-simplex 9-faces...

 (ux)
11 55 165 330 462 462 330 165 55 11
2

t1{3,3,3,3,3,3,3,3,3}
Rectified 10-simplex
Rectified 10-simplex
In ten-dimensional geometry, a rectified 10-simplex is a convex uniform 10-polytope, being a rectification of the regular 10-simplex.These polytopes are part of a family of 527 uniform 10-polytopes with A10 symmetry....

 (ru)
495 55
3

t2{3,3,3,3,3,3,3,3,3}
Birectified 10-simplex (bru)
1980 165
4

t3{3,3,3,3,3,3,3,3,3}
Trirectified 10-simplex (tru)
4620 330
5

t4{3,3,3,3,3,3,3,3,3}
Quadrirectified 10-simplex (teru)
6930 462
6

t0,1{3,3,3,3,3,3,3,3,3}
Truncated 10-simplex (tu)
550 110
7

t0,2{3,3,3,3,3,3,3,3,3}
Cantellated 10-simplex
4455 495
8

t1,2{3,3,3,3,3,3,3,3,3}
Bitruncated 10-simplex
2475 495
9

t0,3{3,3,3,3,3,3,3,3,3}
Runcinated 10-simplex
15840 1320
10

t1,3{3,3,3,3,3,3,3,3,3}
Bicantellated 10-simplex
17820 1980
11

t2,3{3,3,3,3,3,3,3,3,3}
Tritruncated 10-simplex
6600 1320
12

t0,4{3,3,3,3,3,3,3,3,3}
Stericated 10-simplex
32340 2310
13

t1,4{3,3,3,3,3,3,3,3,3}
Biruncinated 10-simplex
55440 4620
14

t2,4{3,3,3,3,3,3,3,3,3}
Tricantellated 10-simplex
41580 4620
15

t3,4{3,3,3,3,3,3,3,3,3}
Quadritruncated 10-simplex
11550 2310
16

t0,5{3,3,3,3,3,3,3,3,3}
Pentellated 10-simplex
41580 2772
17

t1,5{3,3,3,3,3,3,3,3,3}
Bistericated 10-simplex
97020 6930
18

t2,5{3,3,3,3,3,3,3,3,3}
Triruncinated 10-simplex
110880 9240
19

t3,5{3,3,3,3,3,3,3,3,3}
Quadricantellated 10-simplex
62370 6930
20

t4,5{3,3,3,3,3,3,3,3,3}
Quintitruncated 10-simplex
13860 2772
21

t0,6{3,3,3,3,3,3,3,3,3}
Hexicated 10-simplex
34650 2310
22

t1,6{3,3,3,3,3,3,3,3,3}
Bipentellated 10-simplex
103950 6930
23

t2,6{3,3,3,3,3,3,3,3,3}
Tristericated 10-simplex
161700 11550
24

t3,6{3,3,3,3,3,3,3,3,3}
Quadriruncinated 10-simplex
138600 11550
25

t0,7{3,3,3,3,3,3,3,3,3}
Heptellated 10-simplex
18480 1320
26

t1,7{3,3,3,3,3,3,3,3,3}
Bihexicated 10-simplex
69300 4620
27

t2,7{3,3,3,3,3,3,3,3,3}
Tripentellated 10-simplex
138600 9240
28

t0,8{3,3,3,3,3,3,3,3,3}
Octellated 10-simplex
5940 495
29

t1,8{3,3,3,3,3,3,3,3,3}
Biheptellated 10-simplex
27720 1980
30

t0,9{3,3,3,3,3,3,3,3,3}
ennicated 10-simplex
990 110
31
t0,1,2,3,4,5,6,7,8,9{3,3,3,3,3,3,3,3,3}
Omnitruncated 10-simplex
199584000 39916800

The B10 family

There are 1023 forms based on all permutations of the Coxeter-Dynkin diagram
Coxeter-Dynkin diagram
In geometry, a Coxeter–Dynkin diagram is a graph with numerically labeled edges representing the spatial relations between a collection of mirrors...

s with one or more rings.

Twelve cases are shown below: ten single-ring (rectified
Rectification (geometry)
In Euclidean geometry, rectification is the process of truncating a polytope by marking the midpoints of all its edges, and cutting off its vertices at those points...

) forms, and two truncations. Bowers-style acronym names are given in parentheses for cross-referencing.
# Graph Coxeter-Dynkin diagram
Coxeter-Dynkin diagram
In geometry, a Coxeter–Dynkin diagram is a graph with numerically labeled edges representing the spatial relations between a collection of mirrors...


Schläfli symbol
Name
Element counts
9-faces 8-faces 7-faces 6-faces 5-faces 4-faces Cells Faces Edges Vertices
1
t0{4,3,3,3,3,3,3,3,3}
10-cube
10-cube
In geometry, a 10-cube is a ten-dimensional hypercube. It has 1024 vertices, 5120 edges, 11520 square faces, 15360 cubic cells, 13440 tesseract 4-faces, 8064 5-cube 5-faces, 3360 6-cube 6-faces, 960 7-cube 7-faces, 180 8-cube 8-faces, and 20 9-cube 9-faces....

 (deker)
20 180 960 3360 8064 13440 15360 11520 5120 1024
2
t0,1{4,3,3,3,3,3,3,3,3}
Truncated 10-cube (tade)
51200 10240
3
t1{4,3,3,3,3,3,3,3,3}
Rectified 10-cube
Rectified 10-cube
In ten-dimensional geometry, a rectified 10-cube is a convex uniform 10-polytope, being a rectification of the regular 10-cube.There are 10 rectifications of the 10-cube, with the zeroth being the 10-cube itself. Vertices of the rectified 10-cube are located at the edge-centers of the 10-cube...

 (rade)
46080 5120
4
t2{4,3,3,3,3,3,3,3,3}
Birectified 10-cube (brade)
184320 11520
5
t3{4,3,3,3,3,3,3,3,3}
Trirectified 10-cube (trade)
322560 15360
6
t4{4,3,3,3,3,3,3,3,3}
Quadrirectified 10-cube (terade)
322560 13440
7
t4{3,3,3,3,3,3,3,3,4}
Quadrirectified 10-orthoplex (terake)
201600 8064
8
t3{3,3,3,3,3,3,3,4}
Trirectified 10-orthoplex (trake)
80640 3360
9
t2{3,3,3,3,3,3,3,3,4}
Birectified 10-orthoplex (brake)
20160 960
10
t1{3,3,3,3,3,3,3,3,4}
Rectified 10-orthoplex
Rectified 10-orthoplex
In ten-dimensional geometry, a rectified 10-orthoplex is a convex uniform 10-polytope, being a rectification of the regular 10-orthoplex.There are 10 rectifications of the 10-orthoplex. Vertices of the rectified 10-orthoplex are located at the edge-centers of the 9-orthoplex. Vertices of the...

 (rake)
2880 180
11
t0,1{3,3,3,3,3,3,3,3,4}
Truncated 10-orthoplex (take)
3060 360
12
t0{3,3,3,3,3,3,3,3,4}
10-orthoplex (ka)
1024 5120 11520 15360 13440 8064 3360 960 180 20

The D10 family

The D10 family has symmetry of order 1,857,945,600 (10 factorial
Factorial
In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all positive integers less than or equal to n...

 x 29).

This family has 3×256−1=767 Wythoffian uniform polytopes, generated by marking one or more nodes of the D10 Coxeter-Dynkin diagram
Coxeter-Dynkin diagram
In geometry, a Coxeter–Dynkin diagram is a graph with numerically labeled edges representing the spatial relations between a collection of mirrors...

. Of these, 511 (2×256−1) are repeated from the B10 family and 256 are unique to this family, with 2 listed below. Bowers-style acronym names are given in parentheses for cross-referencing.
# Graph Coxeter-Dynkin diagram
Coxeter-Dynkin diagram
In geometry, a Coxeter–Dynkin diagram is a graph with numerically labeled edges representing the spatial relations between a collection of mirrors...


Schläfli symbol
Name
Element counts
9-faces 8-faces 7-faces 6-faces 5-faces 4-faces Cells Faces Edges Vertices
1
10-demicube
10-demicube
In geometry, a demidekeract or 10-demicube is a uniform 10-polytope, constructed from the 10-cube with alternated vertices deleted. It is part of a dimensionally infinite family of uniform polytopes called demihypercubes....

 (hede)
532 5300 24000 64800 115584 142464 122880 61440 11520 512
2
Truncated 10-demicube (thede)
195840 23040

Regular and uniform honeycombs

There are four fundamental affine Coxeter groups that generate regular and uniform tessellations in 9-space:
# Coxeter group
Coxeter group
In mathematics, a Coxeter group, named after H.S.M. Coxeter, is an abstract group that admits a formal description in terms of mirror symmetries. Indeed, the finite Coxeter groups are precisely the finite Euclidean reflection groups; the symmetry groups of regular polyhedra are an example...

Coxeter-Dynkin diagram
Coxeter-Dynkin diagram
In geometry, a Coxeter–Dynkin diagram is a graph with numerically labeled edges representing the spatial relations between a collection of mirrors...

1 [3[10]]
2 [4,37,4]
3 h[4,37,4]
[4,36,31,1]
4 q[4,37,4]
[31,1,35,31,1]


Regular and uniform tessellations include:

Regular and uniform hyperbolic honeycombs

There are no compact hyperbolic Coxeter groups of rank 10, groups that can generate honeycombs with all finite facets, and a finite vertex figure
Vertex figure
In geometry a vertex figure is, broadly speaking, the figure exposed when a corner of a polyhedron or polytope is sliced off.-Definitions - theme and variations:...

. However there are 3 noncompact hyperbolic Coxeter groups of rank 9, each generating uniform honeycombs in 9-space as permutations of rings of the Coxeter diagrams.
= [31,1,34,32,1]:
= [4,35,32,1]:
or = [36,2,1]:


Three honeycombs from the family, generated by end-ringed Coxeter diagrams are:
  • 621 honeycomb:
  • 261 honeycomb:
  • 162 honeycomb:

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK