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edited May 6 2011 at 11:52

David Loeffler
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asked May 5 2011 at 23:35

James D. Taylor
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Where is a good place to start learning about the Grothendieck-Teichmuller group?

I've had a desire to get some sort of handle on the Grothendeick-Teichmuller group for years now, but I've always felt that I could never find a source that was introductory and readable.

The obvious candidates are Schneps's: Grothendieck's "Long March through Galois theory"' andThe Grothendieck-Teichmuller group $\widehat{GT}$: a survey'. However I find them to be rather technical and off-putting for a person trying to understand this for the first time.

Do you know of an "easy" (by which I mean: well-motivated) introduction to the Grothendieck-Teichmuller group?

galois-theory