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Math Help - normal subgroups

  1. #1
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    normal subgroups

    I have the stack with the following problem:

    Let X=wedge sum of n-circles. show that the normal subgroup of pi_1(X) is having a caylay graphs of two generators.

    I tried to see what happen in case of n=2, but I don't know how to show it in that case either, can anyone give me a hint to start with?
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  2. #2
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    Quote Originally Posted by danishdani View Post
    I have the stack with the following problem:

    Let X=wedge sum of n-circles. show that the normal subgroup of pi_1(X) is having a caylay graphs of two generators.

    I tried to see what happen in case of n=2, but I don't know how to show it in that case either, can anyone give me a hint to start with?

    You wrote "the normal subgroup of..."...WHAT normal subgroup??

    Tonio
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  3. #3
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    Quote Originally Posted by tonio View Post
    You wrote "the normal subgroup of..."...WHAT normal subgroup??

    Tonio
    Glad to hear you're using this: I plan to keep it much more aggressively up-to-date than has been the case in the past, but don't hesitate to let me know if you find errors or need clarifications.
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