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Jan
18
comment Analogue of Tate curve for $g>1$
+1 for the pseudo.
Jan
2
awarded  Nice Answer
Dec
31
reviewed Leave Open Will any two linearly equivalent ample divisors on an abelian variety intersect?
Dec
19
comment Grothendieck's “List of classes of structures”
I like your question, and I love your picture.
Dec
15
awarded  Necromancer
Dec
15
revised Definition of CM modular form
Corrected spelling.
Dec
5
awarded  Popular Question
Nov
28
comment All compact surfaces $S\subseteq \mathbb{R}^3$ are rigid?
Interesting question, +1. In view of the comments and answers, it seems safe to add the tag "open problem" to the question, but being no differential geometer, I would not do that myself.
Nov
12
awarded  Good Answer
Nov
7
awarded  Nice Answer
Nov
7
answered What are some very important papers published in non-top journals?
Nov
2
comment For a linear recurrence sequence $(u_n)_{n\geq 0}$, can $\{i \mid u_i > 0\}$ be the set of Fibonacci numbers?
Michaël, thanks a lot. I was asking for the second part. I'll check out the book by Salomaa and Soittolam it looks very interesting. I have recently been using the generalization in characteristic p by Derksen of the Skolem-Mahler-Leech theorem, and grew very interested in this set of questions...
Nov
1
comment For a linear recurrence sequence $(u_n)_{n\geq 0}$, can $\{i \mid u_i > 0\}$ be the set of Fibonacci numbers?
Interesting question. Do you have a reference for your first "additional info"?
Oct
14
comment When is the image of a 2-dim l-adic representation associated to a modular form open
I have added a CW answer to the older question pointing out to this one. Perhaps David could accept it instead of the other, to avoid risks of confusion.
Oct
14
answered When do the Galois reps of modular forms have open image?
Oct
13
comment 'Updated' book in the same spirit as Dieudonné's Panorama des mathématiques pures
I just read the review by Halmos you linked at. Very nice.
Oct
8
awarded  Popular Question
Oct
5
answered Reference request for $pro-p$ Iwahori subgroup of $GL_n(F)$
Oct
4
awarded  Popular Question
Oct
4
awarded  Nice Answer