Sylvester graph

From HandWiki

The Sylvester graph is the unique distance-regular graph with intersection array [math]\displaystyle{ \{5,4,2;1,1,4\} }[/math].[1] It is a subgraph of the Hoffman–Singleton graph.

References

  1. Brouwer, A. E.; Cohen, A. M.; Neumaier, A. (1989), Distance-regular graphs, Springer-Verlag, Theorem 13.1.2 

External links