- #1
fraggle
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Homework Statement
Is the Fundamental group of the circle (S^1) abelian?
Not a homework question, just something I want to use.
Homework Equations
The Attempt at a Solution
Intuitively it appears to be and it is isomorphic to the additive group of integers which is abelian. I believe isomorphism preserve the abelian property. I'd just like a second opinion.
Thanks