Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
) and node degree (
).
I use the RRG, the BA model, and the KE model with 
and 
, and set 
. The parameter values for the networks are the same as those used in Fig. 2(b).
