Quay premiered in LA.
In the mathematical field of graph theory , the Foster cage is a 5-regular undirected graph with 30 vertices and 75 edges .. mathematical. mathematics. graph theory. graph theory. regular. regular graph. undirected graph. undirected graph. It is one of the four -LRB- 5,5 -RRB- - cage graphs , the others being the Meringer graph , the Robertson -- Wegner graph , and the Wong graph .. Meringer graph. Meringer graph. Wong graph. Wong graph. Like the unrelated Foster graph , it is named after R. M. Foster .. Foster graph. Foster graph. R. M. Foster. R. M. Foster. It has chromatic number 4 , diameter 3 , and is 5-vertex-connected .. chromatic number. chromatic number. vertex-connected. k-vertex-connected graph