22 relations: Coxeter notation, Coxeter–Dynkin diagram, Euclidean tilings by convex regular polygons, Geometry, Hexagon, Hexagonal tiling, Hyperbolic geometry, John Horton Conway, Kaleidoscope, List of convex uniform tilings, List of regular polytopes and compounds, Octahedron, Orbifold notation, Order-6 square tiling, Rhombitetrahexagonal tiling, Schläfli symbol, Square tiling, Truncated order-4 hexagonal tiling, Truncated order-6 hexagonal tiling, Truncated order-6 square tiling, Truncated tetrahexagonal tiling, Uniform coloring.
In geometry, Coxeter notation (also Coxeter symbol) is a system of classifying symmetry groups, describing the angles between with fundamental reflections of a Coxeter group in a bracketed notation expressing the structure of a Coxeter-Dynkin diagram, with modifiers to indicate certain subgroups.
In geometry, a Coxeter–Dynkin diagram (or Coxeter diagram, Coxeter graph) is a graph with numerically labeled edges (called branches) representing the spatial relations between a collection of mirrors (or reflecting hyperplanes).
Euclidean plane tilings by convex regular polygons have been widely used since antiquity.
Geometry (from the γεωμετρία; geo- "earth", -metron "measurement") is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space.
In geometry, a hexagon (from Greek ἕξ hex, "six" and γωνία, gonía, "corner, angle") is a six-sided polygon or 6-gon.
In geometry, the hexagonal tiling or hexagonal tessellation is a regular tiling of the Euclidean plane, in which three hexagons meet at each vertex.
In mathematics, hyperbolic geometry (also called Bolyai–Lobachevskian geometry or Lobachevskian geometry) is a non-Euclidean geometry.
John Horton Conway FRS (born 26 December 1937) is an English mathematician active in the theory of finite groups, knot theory, number theory, combinatorial game theory and coding theory.
A kaleidoscope is an optical instrument with two or more reflecting surfaces tilted to each other in an angle, so that one or more (parts of) objects on one end of the mirrors are seen as a regular symmetrical pattern when viewed from the other end, due to repeated reflection.
This table shows the 11 convex uniform tilings (regular and semiregular) of the Euclidean plane, and their dual tilings.
This page lists the regular polytopes and regular polytope compounds in Euclidean, spherical and hyperbolic spaces.
In geometry, an octahedron (plural: octahedra) is a polyhedron with eight faces, twelve edges, and six vertices.
In geometry, orbifold notation (or orbifold signature) is a system, invented by William Thurston and popularized by the mathematician John Conway, for representing types of symmetry groups in two-dimensional spaces of constant curvature.
In geometry, the order-6 square tiling is a regular tiling of the hyperbolic plane.
In geometry, the rhombitetrahexagonal tiling is a uniform tiling of the hyperbolic plane.
In geometry, the Schläfli symbol is a notation of the form that defines regular polytopes and tessellations.
In geometry, the square tiling, square tessellation or square grid is a regular tiling of the Euclidean plane.
In geometry, the truncated order-4 hexagonal tiling is a uniform tiling of the hyperbolic plane.
In geometry, the truncated order-6 hexagonal tiling is a uniform tiling of the hyperbolic plane.
In geometry, the truncated order-6 square tiling is a uniform tiling of the hyperbolic plane.
In geometry, the truncated tetrahexagonal tiling is a semiregular tiling of the hyperbolic plane.
In geometry, a uniform coloring is a property of a uniform figure (uniform tiling or uniform polyhedron) that is colored to be vertex-transitive.