G george l New member Nov 22, 2010 #1 Four fixed vertices are given, call them a,b,c,d. Explain your answers. (a) How many simple (no loops, no multiple edges) undirected graphs are there with this vertex set? (b) How many simple directed graphs?
Four fixed vertices are given, call them a,b,c,d. Explain your answers. (a) How many simple (no loops, no multiple edges) undirected graphs are there with this vertex set? (b) How many simple directed graphs?
