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Jay
  • Member for 11 years, 2 months
  • Last seen this week
  • Minneapolis, MN
255 votes
40 answers
30k views

Fun but serious mathematics books to gift advanced undergraduates.

223 votes
2 answers
8k views

Is there a 0-1 law for the theory of groups?

  • 13.8k
94 votes
11 answers
14k views

Is there any conjecture that has been proved to be solvable/provable but whose direct solution/proof is not yet known?

  • 8,601
57 votes
3 answers
3k views

Is there a geometric idea behind Sylow's theorems?

  • 4,911
26 votes
1 answer
2k views

How to formulate continuum hypothesis without the axiom of choice?

  • 3,524
22 votes
2 answers
2k views

What do linearly ordered abelian groups look like?

  • 371k
18 votes
3 answers
1k views

Mathematical structures

  • 34.1k
15 votes
3 answers
606 views

definite and indefinite sums and integrals

  • 216k
15 votes
1 answer
596 views

Are there useful categorical characterisations of the topological separation axioms?

6 votes
2 answers
2k views

Are there an infinite number of minibrots on the real line?

1 vote
1 answer
463 views

Properties of generalized limits aka nets

  • 54.4k