Chapter 9: Fundamental Physics

Section 12: Evolution of Networks

1- and 2-connection [network] clusters

Clusters with just one or two dangling connections can always in effect be thought of just as adding extra structure to single connections in a network. But this extra structure can be important in the application of other rules—and can for example emulate something like having multiple colors of connections.

From Stephen Wolfram: A New Kind of Science [citation]