April 11th, 2012, 02:19 PM  #1 
Newbie Joined: Apr 2012 Posts: 7 Thanks: 0  Question about graphs
How do you count the amount of loops of a graph? For example, does the amount of loops in this graph = 4? : http://i.imgur.com/3WvTj.png 
April 12th, 2012, 08:46 AM  #2 
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: Question about graphs
I interpret "loop" to mean "an edge connecting a vertex to itself", and so would say that the picture has 3 loops and 4 cycles.


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