1,341 reputation
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bio website www1.iwr.uni-heidelberg.de/…
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visits member for 5 years
seen Apr 15 at 13:31

Mar
22
awarded  Yearling
Nov
13
comment A good reference for uniformization theorem for compact and non-compact Riemann surface
Did you try Markushevich, Theory of functions of a complex variable? There you can find a proof of the theorem that any open simply connected subset of $P^1(C)$ whose complement has at least two points is biholomorphic to the disc (at least the proof was there in the italian version).
Nov
7
revised Have we ever proved any non-solvable case of reciprocity without the Langlands program ?
added 3 characters in body
Nov
7
answered Have we ever proved any non-solvable case of reciprocity without the Langlands program ?
Nov
5
comment Is the unit tangent bundle of $S^{n}$ parallelizable?
I thought the tangent bundle $TS^n$ is parallelizable if and only if $n\in\{1;3;7\}$. For $n$ even you won't even find a nowhere vanishing vector field on $S^n$!
Nov
5
answered $j$-invariants of elliptic curves over finite fields
Sep
16
awarded  Necromancer
Jul
2
awarded  Curious
Jun
3
comment Why are torsion points dense in an abelian variety?
If p>0, and assuming A ordinary, then the p-power torsion points of A(k) should also be Zariski dense in A, if I'm right.
Mar
22
awarded  Yearling
Feb
3
accepted Behavior of duality under pull-back
Feb
3
comment Behavior of duality under pull-back
Thanks, this is useful for me.
Dec
12
asked Behavior of duality under pull-back
Sep
5
revised Subgroups-ideals correspondence for abelian varieties over $\mathbf{F}_p$
deleted 1 characters in body
Sep
5
comment Duality for rank one modules over a number ring
@Marguaux: I decided to ask on MO the original question I had, which motivates the one asked here. Here is the link: mathoverflow.net/questions/141340/…
Sep
5
asked Subgroups-ideals correspondence for abelian varieties over $\mathbf{F}_p$
Sep
4
comment Duality for rank one modules over a number ring
Thanks for the nice answer and for giving my question some more appropriate context (I got the question from looking at subgroups of ordinary abelian varieties over a finite field. In the situation I had in mind R is Z[\pi], where \pi is an ordinary Weil-number).
Sep
3
revised Duality for rank one modules over a number ring
edited body
Sep
3
asked Duality for rank one modules over a number ring
May
16
comment Power series whose partial sums attain only finitely many values
thanks. you link gives only the definition of cesaro mean, however.