1,445 reputation
1919
bio website math.stanford.edu/~rmbellov
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visits member for 5 years, 2 months
seen 16 hours ago

Jan
24
awarded  Nice Answer
Jan
24
answered Why does the group law commute with morphisms of elliptic curves?
Dec
6
awarded  Enthusiast
Dec
4
comment Why is Riemann-Roch an Index Problem?
A lot is brushed under the rug, like carrying out all of these steps on more than a formal level. Also, things like metrics on line bundles are hidden in the definition of the adjoint and the defintion of c_1.
Dec
3
answered Statements in group theory which imply deep results in number theory
Dec
3
answered Why is Riemann-Roch an Index Problem?
Nov
30
answered intuition about the “section after base-change” for flat descent and exactness of the Amitsur complex
Nov
29
comment Irreducible polynomial over number field with roots in every completion?
That's interesting, do you know where the argument breaks down if K/Q is infinite?
Nov
29
revised Irreducible polynomial over number field with roots in every completion?
noted earlier mistake
Nov
29
revised Irreducible polynomial over number field with roots in every completion?
improved typesetting
Nov
29
answered Irreducible polynomial over number field with roots in every completion?
Nov
12
awarded  Editor
Nov
12
accepted Do quotients of representable sheaves represent quotients?
Nov
12
comment Do quotients of representable sheaves represent quotients?
Ah, right - thanks very much.
Nov
12
comment Do quotients of representable sheaves represent quotients?
Yes, sorry. I fixed it.
Nov
12
revised Do quotients of representable sheaves represent quotients?
fixed statement
Nov
12
revised Do quotients of representable sheaves represent quotients?
added tag
Nov
12
asked Do quotients of representable sheaves represent quotients?
Nov
8
awarded  Scholar
Nov
8
accepted Can we count isogeny classes of abelian varieties?