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Simple graph theory

  1. Oct 29, 2008 #1
    Hello! This question seems simple but I think I'll need your help to prove it.

    Prove that if there are vertices x and y in V(G) such that G contains three independent x-y paths then G contains an even cycle.

    Thank you in advance.
  2. jcsd
  3. Oct 30, 2008 #2


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    Science Advisor

    Hint: The paths are either odd or even.
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