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.
3-D graph edge construction. For every vertex, 13 out of the 26 edges were constructed to connect with neighboring vertices. Center vertex: current vertex; surrounding vertices: 26 neighboring vertices; dashed lines that connect with the center vertex: edges were constructed for the current vertex.
