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January 17th, 2013, 10:38 PM  #1 
Newbie Joined: Jan 2013 Posts: 19 Thanks: 0  Question on isomorph Graphs and their complement Graphs
Hey there, I'd like to find all Graphs with 4 vertex that do not have an isomorph complementary graph. Via drawing them, I found that all Graphs with Edges more than "4 over 2" / 2 do not have such an isomorph complementary graph. Is this right? "4 over2" / 2 is three. And the last Graph that has such a complem. isomorph graph has 3 edges. 

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complement, graphs, isomorph, question 
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