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Math Help - Graph theory - triangular graphs

  1. #1
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    Graph theory - triangular graphs

    hi folks ,

    Have a little question : when dealing with Triangular graphs , why is it that a Tn graph
    where n>=4 is (2n-4) regular ?

    thanks !
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  2. #2
    MHF Contributor Amer's Avatar
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    since each vertices has the order 2(n-2) so it is called 2n-4 regular
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