H. Hasson
  • Member for 12 years, 1 month
  • Last seen more than a month ago
  • Palo Alto, CA
3 answers
21 votes
2k views
6 bookmarks
Surprising Analogue of Q
5 answers
20 votes
5k views
19 bookmarks
Wild Ramification
1 answers
18 votes
1k views
7 bookmarks
A Galois Theory Computation
1 answers
17 votes
1k views
7 bookmarks
Does there exist a number field, unramified over a predetermined finite set of primes of Q, such that the inverse regular Galois problem is correct for that number field?
2 answers
12 votes
518 views
6 bookmarks
Realizing D_8 as a Galois group over C(x) with prescribed decomposition groups
2 answers
12 votes
2k views
7 bookmarks
What, precisely, is the relationship between "fields of moduli" and "moduli spaces"?
1 answers
7 votes
417 views
1 bookmarks
Computing stable reduction of finite covers of curves in practice
1 answers
7 votes
256 views
For a given finite group G, is there a cover of P^1 over Q s.t. over C it's G-Galois?
3 answers
6 votes
1k views
8 bookmarks
Is every flat unramified cover of quasi-projective curves profinite?
1 answers
5 votes
402 views
1 bookmarks
Field of Definition of a Meromorphic Function
1 answers
4 votes
749 views
1 bookmarks
SGA1 Chapter XIII (tamely ramified sheaves)
2 answers
4 votes
330 views
1 bookmarks
Methods of showing a map has integral or good reduction
1 answers
3 votes
471 views
A computation of ramification
0 answers
3 votes
238 views
1 bookmarks
Inverse limits of finite unramified covers, and the need for formally unramified covers