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Stefan Keil

Humboldt University Berlin

http://www.math.hu-berlin.de/~keil/

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Top Questions

Do isogenies with rational kernels tend to be surjective?

nt.number-theory arithmetic-geometry asked Feb 27, 2013 at 18:27

mathoverflow.net

Elliptic curves over QQ with isomorphic n-torsion

nt.number-theory asked Feb 25, 2013 at 16:33

mathoverflow.net

Elliptic curves over QQ with identical 13-isogeny

nt.number-theory asked May 6, 2013 at 10:31

mathoverflow.net

Picard number and torsion of Neron-Severi group of abelian varieties over a number field

arithmetic-geometry asked May 24, 2011 at 15:52

mathoverflow.net

Results and conjectures on bounds on degrees of isogenies

nt.number-theory arithmetic-geometry isogenies asked Feb 27, 2013 at 13:46

mathoverflow.net

Number of Galois extensions of local fields of fixed degree

nt.number-theory class-field-theory asked Jun 23, 2011 at 15:01

mathoverflow.net

Centralizers of elements in general linear group over Z mod prime power

gr.group-theory finite-groups centralisers asked Oct 7, 2013 at 10:11

mathoverflow.net

connected component of the identity section in the special fiber of the Neron model under isogenies

arithmetic-geometry asked Jun 17, 2011 at 10:00

mathoverflow.net

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