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Truncated triapeirogonal tiling

Uniform tiling of the hyperbolic plane From Wikipedia, the free encyclopedia

Truncated triapeirogonal tiling
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In geometry, the truncated triapeirogonal tiling is a uniform tiling of the hyperbolic plane with a Schläfli symbol of tr{∞,3}.

Truncated triapeirogonal tiling
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Poincaré disk model of the hyperbolic plane
TypeHyperbolic uniform tiling
Vertex configuration4.6.
Schläfli symboltr{,3} or
Wythoff symbol2 3 |
Coxeter diagram or
Symmetry group[,3], (*32)
DualOrder 3-infinite kisrhombille
PropertiesVertex-transitive
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Symmetry

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Truncated triapeirogonal tiling with mirrors

The dual of this tiling represents the fundamental domains of [∞,3], *∞32 symmetry. There are 3 small index subgroup constructed from [∞,3] by mirror removal and alternation. In these images fundamental domains are alternately colored black and white, and mirrors exist on the boundaries between colors.

A special index 4 reflective subgroup, is [(∞,∞,3)], (*∞∞3), and its direct subgroup [(∞,∞,3)]+, (∞∞3), and semidirect subgroup [(∞,∞,3+)], (3*∞).[1] Given [∞,3] with generating mirrors {0,1,2}, then its index 4 subgroup has generators {0,121,212}.

An index 6 subgroup constructed as [∞,3*], becomes [(∞,∞,∞)], (*∞∞∞).

More information Index, Diagrams ...
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More information Symmetry: [∞,3], (*∞32), [∞,3]+ (∞32) ...

This tiling can be considered a member of a sequence of uniform patterns with vertex figure (4.6.2p) and Coxeter-Dynkin diagram . For p < 6, the members of the sequence are omnitruncated polyhedra (zonohedrons), shown below as spherical tilings. For p > 6, they are tilings of the hyperbolic plane, starting with the truncated triheptagonal tiling.

More information Sym.*n32 [n,3], Spherical ...
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