Robertson graph
id:
robertson-graph-321-14976099
title:
Robertson graph
text:
In the mathematical field of graph theory, the Robertson graph or (4,5)-cage, is a 4-regular undirected graph with 19 vertices and 38 edges named after Neil Robertson. The Robertson graph is the unique (4,5)-cage graph and was discovered by Robertson in 1964. As a cage graph, it is the smallest 4-regular graph with girth 5. It has chromatic number 3, chromatic index 5, diameter 3, radius 3 and is both 4-vertex-connected and 4-edge-connected. It has book thickness 3 and queue number 2. The Robert
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Robertson_graph
date created:
date modified:
2022-04-20T14:04:23Z
main entity:
{"identifier":"Q3115531","url":"https://www.wikidata.org/entity/Q3115531"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/3/3b/Robertson_graph_hamiltonian.svg","width":600,"height":598}
fields total:
13
integrity:
14