19

Questions

5
19
votes
4
answers
724
views

What relationship, if any, is there between the diameter of the Cayley graph and the average distance between group elements?

apr 13 11 at 5:37 Denis Chaperon de Lauzières 2,19428

 
3
votes
1
answer
690
views

Sprague-Grundy sequence for the ruler game

sep 18 10 at 1:13 zeb 3,20711223

 
2
votes
1
answer
693
views

The game of “nimble” with no stacking

aug 31 10 at 20:04 Robin Chapman 14.5k22950

1
13
votes
1
answer
758
views

How many pairs (M, N) of sets of size n have M + N = {0, 1, …, n^2-1}?

apr 8 10 at 13:47 D. Savitt 1,8911518

2
5
votes
2
answers
220
views

Limit law for the number of local maxima in a square lattice of IID random variables

mar 29 10 at 20:57 Yuri Bakhtin 1,53959

 
5
votes
4
answers
540
views

Reference for the expected number of prime factors of n larger than n^alpha is -log alpha

nov 28 11 at 9:21 Eric Naslund 3,8701434

1
14
votes
1
answer
459
views

What’s the probability that k + n^2 is squarefree, for fixed k?

mar 1 10 at 22:53 Bjorn Poonen 14.2k24775

5
26
votes
1
answer
676
views

Is there a combinatorial reason that the (-1)st Catalan number is -1/2?

feb 19 10 at 3:39 Jacques Carette 6,71711435

3
4
votes
5
answers
470
views

Asymptotic series for roots of polynomials

feb 17 10 at 4:10 Michael Greenblatt 44137

2
8
votes
4
answers
2k
views

An integral that somehow equals pi^2/6 and involves dilogarithms?

apr 5 11 at 2:47 Tom Dickens 69348

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