User aorq

73 votes

2 answers

8k views

The inverse Galois problem and the Monster

asked Feb 2, 2010 at 19:02

41 votes

7 answers

8k views

What's a reasonable category that is not locally small?

asked Oct 29, 2009 at 15:53

35 votes

2 answers

2k views

Is there an associative metric on the non-negative reals?

asked Feb 24, 2010 at 1:08

31 votes

2 answers

1k views

Slick proof related to choosing points from an interval in order

asked Mar 30, 2010 at 23:34

29 votes

3 answers

3k views

Is the theory of categories decidable?

asked Jan 23, 2010 at 6:49

28 votes

4 answers

5k views

Complexity of testing integer square-freeness

asked Feb 22, 2010 at 22:56

24 votes

2 answers

2k views

Is there an infinity × infinity lemma for abelian categories?

asked Nov 7, 2009 at 21:47

15 votes

6 answers

9k views

Good algorithm for finding the diameter of a (sparse) graph?

asked Jan 11, 2010 at 16:36

12 votes

4 answers

2k views

Representing numbers in a non-integer base with few (but possibly negative) nonzero digits

asked Jan 17, 2010 at 0:48

6 votes

2 answers

615 views

Optimally directing switches for a random walk

asked Dec 28, 2010 at 15:49

5 votes

4 answers

337 views

Majority vote of total orders

asked Jan 18, 2013 at 7:07

5 votes

1 answer

237 views

Bijection from "black-white balanced" partitions to pairs of partitions

asked Jul 24, 2021 at 20:21

3 votes

2 answers

381 views

When is the Wendt binomial circulant determinant divisible by 3?

asked Dec 12, 2011 at 20:40

3 votes

1 answer

696 views

Unique factorization of finite groups under direct sum?

asked Nov 19, 2010 at 22:31

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14 Questions

The inverse Galois problem and the Monster

What's a reasonable category that is not locally small?

Is there an associative metric on the non-negative reals?

Slick proof related to choosing points from an interval in order

Is the theory of categories decidable?

Complexity of testing integer square-freeness

Is there an infinity × infinity lemma for abelian categories?

Good algorithm for finding the diameter of a (sparse) graph?

Representing numbers in a non-integer base with few (but possibly negative) nonzero digits

Optimally directing switches for a random walk

Majority vote of total orders

Bijection from "black-white balanced" partitions to pairs of partitions

When is the Wendt binomial circulant determinant divisible by 3?

Unique factorization of finite groups under direct sum?