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Rolling Polyhedron Graph


RollingPolyhedronGraph

A rolling polyhedron graph is a graph obtained by rolling a polyhedral solid along a board whose tiles match up with the faces of the polyhedron being rolled. The vertices of such a graph are are pairs consisting of bottom face index and orientation, and two vertices are connected by an edge if they are obtainable by rolling the solid from a board tile to an adjacent one.

The rolling tetrahedron graph is the cubical graph.

The rolling cube graph is a graph with 24 vertices (6 faces times 4 orientations) and 48 edges corresponding to rolling a cube on a subset of a square board (i.e., a normal chessboard or checkerboard). It turns out to be isomorphic to the bipartite double graph of the cuboctahedral graph. When given a circular embedding, the outer circle is a Hamiltonian cycle corresponding to cube rolling around inside the perimeter of a 2×4 rectangle 3 times, giving all 24 orientations of the cube.

The rolling octahedron graph is the Nauru graph F_(024)A on 24 vertices and 36 edges.

RollingIcosahedronGraph

The rolling icosahedron graph is graph on 120 vertices (20 vertices times 6 orientations) and 180 edges corresponding to rolling a regular icosahedron on a regular triangular board. It is isomorphic to the cubic symmetric graph F_(120)B.

Rolling polyhedron graphs can also be constructed for various other deltahedra.


See also

Board, Rolling Polyhedron, Roulette

Portions of this entry contributed by Ed Pegg, Jr. (author's link)

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Cite this as:

Pegg, Ed Jr. and Weisstein, Eric W. "Rolling Polyhedron Graph." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/RollingPolyhedronGraph.html

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