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Results tagged with absolute-galois-group
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user 13552
15
votes
On what kind of objects do the Galois groups act?
There are some nice examples in knot theory and quantum algebra.
If $X$ is an algebraic variety over $\mathbb{Q}$, there is a canonical outer action $G_{\mathbb{Q}} \rightarrow Out(\hat{\pi}_1(X(\mat …
- 8,524
12
votes
Cartographic group and flat stringy connection
Yes, this is the so called Grothendieck-Teichmuller theory. The reference is the paper of Drinfeld, "On quasitriangular quasi-Hopf algebras and a group closely related to $Gal(\bar Q/Q)$".
Following …
- 8,524