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aorq
  • Member for 14 years, 5 months
  • Last seen more than a week ago
15 votes
6 answers
9k views

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

38 votes
7 answers
8k views

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

73 votes
2 answers
7k views

The inverse Galois problem and the Monster

28 votes
4 answers
5k views

Complexity of testing integer square-freeness

29 votes
3 answers
3k views

Is the theory of categories decidable?

12 votes
4 answers
2k views

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

35 votes
2 answers
2k views

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

24 votes
2 answers
2k views

Is there an infinity × infinity lemma for abelian categories?

31 votes
2 answers
1k views

Slick proof related to choosing points from an interval in order

3 votes
1 answer
682 views

Unique factorization of finite groups under direct sum?

6 votes
2 answers
607 views

Optimally directing switches for a random walk

3 votes
2 answers
378 views

When is the Wendt binomial circulant determinant divisible by 3?

5 votes
4 answers
331 views

Majority vote of total orders

5 votes
1 answer
215 views

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