File:3-crossing Heawood graph.svg

Summary

Description
English: The Heawood graph, drawn with three crossings. Topologically this is the same embedding as the one in File:Heawood graph crossing number.svg but it shows some of the symmetries of the embedding more clearly.
Date
Source Own work
Author David Eppstein
Category:Heawood graph (blue nodes) Category:Files by User:David Eppstein from en.wikipedia

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Category:Self-published work#3-crossing%20Heawood%20graph.svgCategory:PD-self#3-crossing%20Heawood%20graph.svg
Category:Files by User:David Eppstein from en.wikipedia Category:Heawood graph (blue nodes) Category:PD-self Category:Self-published work