But assessing for planarity amid the addition and removal of edges is difficult without drawing the graph yourself and trying not to cross any lines (See “The Three Utilities Problem” below ...

Once you know what the graph is about, you can read the data. You should always look at the scale on a time graph. The scale may go up in ones or count in steps. It might not show every number.

Math prof charts influence of social networks Professor says research may explain social influence on Facebook, Twitter CBC News · Posted: Aug 09, 2011 3:13 AM PDT | Last Updated: August 9, 2011 ...

Ljiljana Branković, Dragoš Cvetković, THE EIGENSPACE OF THE EIGENVALUE -2 IN GENERALIZED LINE GRAPHS AND A PROBLEM IN SECURITY OF STATISTICAL DATABASES, Publikacije Elektrotehničkog fakulteta. Serija ...