graph_tool.collection.pappus_graph#

graph_tool.collection.pappus_graph()[source]#

Returns the Pappus graph.

Returns:
gGraph

Pappus graph

Notes

The Pappus graph is a cubic symmetric distance-regular graph with 18 nodes and 27 edges. It is Hamiltonian and can be represented in LCF notation as \([5,7,-7,7,-7,-5]^3\) [pappus].

References