Bruno

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Name Bruno
Member for 2 years
Seen 19 hours ago
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Location Montreal, Quebec
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May
12
comment Is there an algebraic curve over Q which is not modular?
Ah, thank you David
May
11
awarded  Nice Question
May
11
comment Is there an algebraic curve over Q which is not modular?
Dear David: thank you, that is very interesting. I will try to wrap my head around it. Why does the representation afforded by $H^1$ land inside the sympectic group? Is this a consequence of some kind of $\mathcal l$-adic Riemann relations? (Forgive me, I know next to nothing about $\mathcal l$-adic cohomology.)
May
11
asked Is there an algebraic curve over Q which is not modular?
May
3
comment Where do the product expansions of modular forms come from?
Dear @Steve: that's true, but I don't think the above products are directly related to the Euler products (they're products over $n$, rather than over $p$). Different animals! I may be wrong, though. Regards,
May
3
asked Where do the product expansions of modular forms come from?
Apr
27
comment A divergent series related to the number of divisors of of p-1
Thank you, Nilotpal.
Apr
27
comment A divergent series related to the number of divisors of of p-1
Interesting, @Greg - thanks for sharing.
Apr
27
answered A divergent series related to the number of divisors of of p-1
Apr
25
comment A divergent series related to the number of divisors of of p-1
Cool! Thanks zeb!
Apr
25
asked A divergent series related to the number of divisors of of p-1
Apr
9
awarded  Nice Question
Apr
9
comment Elliptic curve over a scheme is a group scheme?
Dear anon, would you mind expanding a little bit? Thank you!
Apr
8
comment Elliptic curve over a scheme is a group scheme?
Thank you very much Joël!
Apr
8
comment Elliptic curve over a scheme is a group scheme?
Thank you Timo!
Apr
8
asked Elliptic curve over a scheme is a group scheme?
Mar
22
comment Is the primitive element theorem a cohomological statement?
@Martin, I also have not completely given up on the idea. If you think of anything, please share! Regards,
Mar
21
comment Is the primitive element theorem a cohomological statement?
That's a good point!
Mar
21
comment Is the primitive element theorem a cohomological statement?
This is the sort of thing that I have in mind: For a Dedekind domain $A$, every projective $A$-module is free if and only if $\text{Pic}(A) = H^1(X, \mathcal O_X^*) = 0$ (where $X=\text{Spec }A$).
Mar
21
asked Is the primitive element theorem a cohomological statement?
Dec
27
awarded  Popular Question