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Results tagged with absolute-galois-group
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user 65
58
votes
10
answers
11k
views
What are dessins d'enfants?
There was an observation that any algebraic curve over Q can be rationally mapped to P^1 without three points and this led Grothendieck to define a special class of these mappings, called the Children …
- 584
8
votes
1
answer
595
views
Cartographic group and flat stringy connection
There's a literature about dessins d'enfants (including my previous question here), and one amazing thing about them is that absolute Galois group Gal Q acts on cartographic group which, I believe, is …
CommunityBot
- 1
3
votes
0
answers
801
views
Children's drawings and Seiberg-Witten curves
This physics (bear with me for a while) paper seems to say something about Gal \bar Q/Q:
Children's Drawings From Seiberg-Witten Curves, hep-th/061108.
Let's begin with my limited understanding of …
- 15.1k
5
votes
"Understanding" $\mathrm{Gal}(\bar{\mathbb{Q}}/\mathbb{Q})$
I'm far from expect in this topic, but here's my attempt.
First, and that's something quite straightforward, people want to study Gal Q (this is how I will denote it; this common shortcut is defined …
- 15.1k