George Shakan
  • Member for 7 years, 8 months
  • Last seen more than a month ago
  • Urbana, Il
15 answers
405 votes
57k views
192 bookmarks
Why do roots of polynomials tend to have absolute value close to 1?
9 answers
220 votes
35k views
243 bookmarks
If $f$ is infinitely differentiable then $f$ coincides with a polynomial
78 answers
179 votes
62k views
339 bookmarks
Best online mathematics videos?
7 answers
110 votes
7k views
30 bookmarks
Is the set $ AA+A $ always at least as large as $ A+A $?
6 answers
67 votes
7k views
36 bookmarks
How to recognise that the polynomial method might work
17 answers
64 votes
10k views
64 bookmarks
Shortest/Most elegant proof for $L(1,\chi)\neq 0$
4 answers
52 votes
3k views
19 bookmarks
When has the Borel-Cantelli heuristic been wrong?
7 answers
50 votes
5k views
22 bookmarks
On an example of an eventually oscillating function
6 answers
47 votes
5k views
37 bookmarks
Intuition for the last step in Serre's proof of the three-squares theorem
2 answers
44 votes
9k views
34 bookmarks
Is this Riemann zeta function product equal to the Fourier transform of the von Mangoldt function?
2 answers
40 votes
5k views
18 bookmarks
Is $\sum_{k=1}^{n} \sin(k^2)$ bounded by a constant $M$?
12 answers
38 votes
24k views
47 bookmarks
Introductory text on Riemannian geometry
2 answers
37 votes
3k views
9 bookmarks
The Bourgain-Demeter-Guth breakthrough and the Riemann zeta function?
5 answers
29 votes
7k views
12 bookmarks
Fermat's proof for $x^3-y^2=2$
7 answers
26 votes
6k views
19 bookmarks
Asymptotic density of k-almost primes
3 answers
26 votes
783 views
10 bookmarks
Ordering subsets of the cyclic group to give distinct partial sums
9 answers
24 votes
2k views
11 bookmarks
triple with large LCM
2 answers
24 votes
1k views
10 bookmarks
Does the quadratic form $x^2 - 7y^2$ represent infinitely many primes, with the restriction that $0 < y < x/10$?
2 answers
22 votes
2k views
6 bookmarks
Erdős-Szekeres for first differences
1 answers
17 votes
1k views
9 bookmarks
The optimal constant in Vitali covering lemma
1 answers
17 votes
645 views
4 bookmarks
Completely multiplicative functions with values in $\{-1,1\}$
1 answers
15 votes
535 views
5 bookmarks
How large must $A$ be if $\{1, \ldots, N\} \subseteq A-A$?
2 answers
14 votes
872 views
4 bookmarks
The power of two random choices with pairwise independence
6 answers
14 votes
1k views
2 bookmarks
primorial puzzlement
2 answers
13 votes
1k views
2 bookmarks
An expander (?) graph
2 answers
13 votes
2k views
4 bookmarks
Surface area of an $\ell_p$ unit ball?
1 answers
9 votes
641 views
4 bookmarks
Physical interpretation of the mellin transform variable?
1 answers
8 votes
343 views
1 bookmarks
Is $AA+A$ always at least as large as $A/A$?
0 answers
7 votes
324 views
1 bookmarks
How to prove that a projective module is not free?
1 answers
6 votes
261 views
1 bookmarks
Is the exponent $2$ sharp in the Balog-Szemerédi-Gowers Theorem?