36

Questions

13
31
votes
3
answers
5k
views

Do there exist chess positions that require exponentially many moves to reach?

apr 6 at 0:49 JHI 312

 
4
votes
2
answers
264
views

Impossibility of continuously picking k independent rows from a rank k matrix

feb 9 at 19:22 quid 13.2k3151

13
22
votes
3
answers
2k
views

Motivating the Casimir element

jan 28 at 4:56 Will Sawin 18.6k12448

 
5
votes
1
answer
88
views

Non-unique 2-factorization of 2k-regular graphs

jan 25 at 7:48 domotorp 4,068725

2
15
votes
1
answer
672
views

Reconstructing the argument that yields Graham’s number

jan 11 at 18:06 Andres Caicedo 14.4k14279

6
19
votes
6
answers
2k
views

Neutral tic tac toe

jan 9 at 5:45 Thane Plambeck 814

39
70
votes
87
answers
9k
views

What would you want to see at the Museum of Mathematics?

dec 1 at 5:24 Brian Hopkins 23616

1
6
votes
1
answer
198
views

Determinantal formula for the nullspace of a singular matrix

dec 1 at 3:24 Sasha 9,9631717

5
17
votes
1
answer
335
views

Salié permutations and fair permutations

nov 28 at 2:37 Richard Stanley 13.3k26094

16
40
votes
2
answers
1k
views

Flipping coins on a budget

sep 27 at 14:55 Granger 24217

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