21

Questions

34
49
votes
4
answers
3k
views

Algorithm or theory of diagram chasing

jun 24 10 at 15:01 Greg Kuperberg 36.2k2116179

13
45
votes
3
answers
4k
views

The story about Milnor proving the Fáry-Milnor theorem

feb 1 at 5:25 Rodrigo A. Pérez 1,622821

8
26
votes
4
answers
4k
views

Do actual Sudoku puzzles have a unique rational solution?

jun 10 10 at 3:02 David Eppstein 9,23312141

10
24
votes
7
answers
2k
views

Complete discrete valuation rings with residue field ℤ/p

jan 3 10 at 10:22 Chandan Singh Dalawat 11.4k13973

14
23
votes
14
answers
6k
views

Great mathematicians born 1850-1920 (ET Bell’s book ≲ x ≲ Fields Medalists)

apr 6 at 11:10 Michał Kukieła 687513

1
20
votes
1
answer
489
views

The value $\pm 1$ for the square root of Wilson’s theorem, ((p-1)/2)! mod p

feb 14 at 6:58 Greg Kuperberg 36.2k2116179

8
19
votes
5
answers
709
views

Concise model of modern fiat money and its non-conservation

jan 27 at 21:28 Greg Kuperberg 36.2k2116179

3
17
votes
1
answer
793
views

Given an integer polynomial, is there a small prime modulo which it has a root?

nov 14 11 at 4:03 Greg Kuperberg 36.2k2116179

4
14
votes
1
answer
709
views

When f(x)-a and f(x)-b yield the same field extension

dec 27 09 at 16:32 Greg Kuperberg 36.2k2116179

4
12
votes
2
answers
545
views

Highly connected, compact complex manifolds

jun 14 10 at 0:06 Greg Kuperberg 36.2k2116179

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