Sebastian Petersen's user avatar
Sebastian Petersen's user avatar
Sebastian Petersen's user avatar
Sebastian Petersen
  • Member for 13 years, 7 months
  • Last seen more than 9 years ago
7 votes
1 answer
1k views

Logarithmic differentials

9 votes
2 answers
894 views

Semisimplicity of étale cohomology representations

5 votes
2 answers
3k views

Reed-Muller-Codes

0 votes
0 answers
244 views

A kind of Stein factorization for non-proper morphisms

3 votes
3 answers
1k views

Reductive groups over finite fields

9 votes
7 answers
1k views

Mathematics seminar for "non-mathematicians"

5 votes
3 answers
935 views

Torus based cryptography

1 vote
0 answers
109 views

A good reduction property

6 votes
0 answers
451 views

Semistable reduction theorem over higher dimensional schemes

6 votes
1 answer
1k views

Fundamental group of a semiabelian variety

5 votes
1 answer
445 views

Finiteness property of fundamental groups

3 votes
1 answer
360 views

Composition and intersection of residue fields

4 votes
0 answers
417 views

Etale cohomology analogue for the semistable reduction theorem

16 votes
0 answers
604 views

Division fields of abelian varieties over function fields

6 votes
1 answer
1k views

Decomposition of an algebraic group in an affine and a proper part

10 votes
1 answer
1k views

Basic properties of Neron models

6 votes
1 answer
350 views

Multiplication by $n$ on commutative algebraic groups

6 votes
1 answer
530 views

Abelian varieties over local fields