6,392 reputation
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bio website kellertimo.de/index.html
location Germany
age
visits member for 4 years, 8 months
seen Sep 18 at 17:00

I am a postdoc of Uwe Jannsen interested in arithmetic geometry, especially Arithmetic of Abelian schemes, their $L$-functions and étale cohomology.


Sep
18
comment What are all positive integers n for which the congruence $a^{n+1} \equiv a (mod n)$ holds?
What about $p = 2$?
Sep
18
answered What are all positive integers n for which the congruence $a^{n+1} \equiv a (mod n)$ holds?
Aug
15
comment Tate-Shafarevich groups over finitely generated fields
This is too difficult and would take too long to explain here.
Aug
15
comment Tate-Shafarevich groups over finitely generated fields
I just proved the equality $H^1(X,\mathscr{A}) = \ker(...)$. I am aware that the question is about characteristic $0$.
Aug
15
answered Tate-Shafarevich groups over finitely generated fields
Aug
1
awarded  Necromancer
Jul
20
comment How the equality in the first case is equivalent to the inequality in the last case?
@Shpigle: In the thread "About equivalent statements of the Birch and Swinnerton-Dyer Conjecture", it is said that "When $K$ is a function field over a finite field of +ve characteristic,"
Jul
20
answered How the equality in the first case is equivalent to the inequality in the last case?
Jul
12
revised Connection of Galois representation and arithmetic geometry
added 368 characters in body
Jul
12
revised Connection of Galois representation and arithmetic geometry
added 368 characters in body
Jul
12
revised Connection of Galois representation and arithmetic geometry
added 106 characters in body
Jul
12
answered Connection of Galois representation and arithmetic geometry
Jul
12
answered Articles about Weil cohomology theory by Grothendieck and Artin
Jul
7
awarded  Popular Question
Jul
7
comment rank of Abelian schemes under ample hypersurface section
Do we need it for Lemma 5.1, 5.2 and 5.3; and Theorem 1.2(ii)?
Jul
7
comment rank of Abelian schemes under ample hypersurface section
Are there problems as $k$ is not uncountable?
Jul
7
revised rank of Abelian schemes under ample hypersurface section
added 194 characters in body
Jul
7
asked rank of Abelian schemes under ample hypersurface section
Jul
2
awarded  Inquisitive
Jul
2
awarded  Curious