20

Questions
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12
41
votes
1
answer
4k
views

Convergence of $\sum(n^3\sin^2n)^{-1}$

aug 11 at 23:51 Andres Caicedo 14.4k●1●42●79

2
11
votes
3
answers
2k
views

David Gale’s subset take-away game

mar 8 at 21:31 Andres Caicedo 14.4k●1●42●79

5
27
votes
1
answer
2k
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Dual Schroeder-Bernstein theorem

aug 14 at 15:17 Andres Caicedo 14.4k●1●42●79

13
30
votes
6
answers
2k
views

Distinct well-orderings of the same set

jan 1 12 at 22:11 Asaf Karagila 7,198●1●14●44

3
17
votes
5
answers
2k
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Finitely many arithmetic progressions

sep 13 10 at 16:06 Charles 4,159●8●26

6
16
votes
2
answers
1k
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Cantor’s argument revisited

nov 28 10 at 23:28 Joel David Hamkins 74.9k●7●187●343

2
14
votes
2
answers
1k
views

Fifth powers modulo a prime

oct 18 11 at 20:07 Noam D. Elkies 18.1k●4●62●90

4
13
votes
2
answers
834
views

Sets of divergence of Fourier series

jun 7 11 at 11:50 Andrey Rekalo 13.9k●1●32●68

4
19
votes
1
answer
832
views

Splitting infinite sets

jan 9 11 at 7:11 Eric Hall 76●2

2
9
votes
2
answers
653
views

Martin’s cone theorem and recursion theory

apr 13 11 at 9:07 Liang Yu 670●5●8

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