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Template talk: Hamiltonian platonic graphs.svg. ... Print/export Download as PDF; Printable version
The polyhedral graph formed as the Schlegel diagram of a regular dodecahedron. In geometric graph theory, a branch of mathematics, a polyhedral graph is the undirected graph formed from the vertices and edges of a convex polyhedron. Alternatively, in purely graph-theoretic terms, the polyhedral graphs are the 3-vertex-connected, planar graphs.
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It can also be found in nature and supramolecules, as well as the shape of the universe. The skeleton of a regular dodecahedron can be represented as the graph called the dodecahedral graph, a Platonic graph. Its property of the Hamiltonian, a path visits all of its vertices exactly once, can be found in a toy called icosian game.
In the mathematical field of graph theory, an Archimedean graph is a graph that forms the skeleton of one of the Archimedean solids. There are 13 Archimedean graphs, and all of them are regular , polyhedral (and therefore by necessity also 3-vertex-connected planar graphs ), and also Hamiltonian graphs .
[14] [15] Its graph called the octahedral graph, a Platonic graph. [4] The octahedral graph can be considered as complete tripartite graph,,, a graph partitioned into three independent sets each consisting of two opposite vertices. [16] More generally, it is a Turán graph,.
Hamiltonian platonic graphs: Image title: Orthographic projections and planar graphs of Hamiltonian cycles of the vertices of the five Platonic solids by CMG Lee. Only the octahedron has an Eulerian path, made by extending the Hamiltonian path with the dotted path. Width: 100%: Height: 100%