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Results tagged with fundamental-group
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user 4008
20
votes
Accepted
What is the wild fundamental group?
Consider the category of algebraic integrable connections on a smooth connected algebraic variety $X$ with a base point $x$ (over a field of characteristic zero). This is a Tannakian category with a f …
- 22.6k
17
votes
Accepted
Unipotency in realisations of the motivic fundamental group
Essentially because the Tannakian theory gives in the unipotent case (and only in
that case) a reasonably sized answer with an easy motivic interpretation.
For the size you should be aware that alrea …
- 22.6k