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.
for the normal (a) and transparent mode (b), for an ER (red) and a SF network (blue), both with the same average connectivity 〈k〉 = 11.5.
