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Answers
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18
Where is number theory used in the rest of mathematics?
Mar 9 '12 at 16:13
17
A recommended roadmap to Fermat's Last Theorem
May 24 '12 at 7:49
15
Examples of common false beliefs in mathematics
Mar 6 '11 at 14:16
15
Simple show cases for the Yoneda lemma
Jan 15 '10 at 8:15
14
Where is number theory used in the rest of mathematics?
Mar 9 '12 at 15:22
11
Irreducible polynomials with a root modulo almost all primes
Dec 4 '13 at 15:02
10
What are all positive integers n for which the congruence $a^{n+1} \equiv a (mod n)$ holds?
Sep 18 '14 at 13:34
10
Textbook for Etale Cohomology
Jan 31 '12 at 18:55
9
What morphisms induce injective/surjective maps on (Weil) cohomology?
Jun 24 '14 at 8:53
9
What are some examples of ingenious, unexpected constructions?
Mar 11 '12 at 9:54
8
Neukirch's papers and theorem
May 25 '14 at 8:26
8
Primes dividing x^4 -2
May 8 '14 at 10:24
8
Why tropical geometry?
Dec 16 '11 at 14:53
8
Nice applications of the spectral theorem?
Feb 7 '11 at 18:10
7
Frobenius elements from the point of view of étale fundamental groups
Feb 1 '11 at 17:16
6
How much do I need to learn algebraic geometry to understand arithmetics over number fields
Apr 8 at 7:26
6
Why study CM abelian varieties?
Jan 21 '14 at 14:03
6
Elliptic curve over a scheme is a group scheme?
Apr 8 '13 at 17:33
6
About equivalent statements of the Birch and Swinnerton-Dyer Conjecture
Mar 20 '13 at 9:30
6
Anabelian geometry study materials?
Oct 5 '12 at 12:41
6
$\ell$-adic Weil cohomology theory
Jan 6 '12 at 18:32
6
State of the art for Gersten's conjecture for K-theory?
Dec 6 '11 at 16:17
6
Additive form of Hilbert 90 for schemes?
Jun 16 '11 at 17:49
6
Why does the (S2) property of a ring correspond to the Hartogs phenomenon?
Nov 8 '10 at 20:07
6
Results about the order of a group forcing a particular property.
Mar 6 '10 at 18:14
6
Reference for equivalent definitions of the genus
Jan 14 '10 at 18:16
5
Unramified extension and class field theory
Dec 11 '13 at 15:53
5
A local-to-global principle for isogeny
Nov 22 '13 at 11:26
5
Stiefel-Whitney class
May 4 '13 at 16:04
5
Galois acting on l-adic cohomology
Jun 25 '12 at 13:45
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