Thread: 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?

Originally Posted by danishdani

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

Originally Posted by tonio

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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