26

Questions

35
37
votes
19
answers
9k
views

Open problems with monetary rewards

jan 17 at 23:36 Harry Altman 98011016

4
3
votes
5
answers
5k
views

Non-isomorphic graphs of given order.

sep 26 10 at 15:37 Jiaojun Zhang 1

18
40
votes
13
answers
4k
views

Proofs of the uncountability of the reals.

apr 30 at 14:34 Margaret Friedland 1,3591410

7
1
vote
1
answer
3k
views

Websites hosting free math ebooks. [closed]

jun 12 10 at 19:52 To be cont'd 1,7091530

5
7
votes
11
answers
3k
views

Is there any geometry where the triangle inquality fails?

may 19 12 at 9:44 Ivan Meir 611

6
10
votes
7
answers
2k
views

Can we have A={A} ?

may 9 at 19:34 Dan Petersen 10.3k12246

3
19
votes
3
answers
2k
views

Is this 1974 claim still valid?

feb 5 11 at 9:23 To be cont'd 1,7091530

1
-2
votes
2
answers
2k
views

Factorizing polynomials of several variables (in a different perespective)

jun 10 10 at 15:05 To be cont'd 1,7091530

2
3
votes
5
answers
1k
views

Fundamental theorems [closed]

may 20 10 at 17:37 HW 10.1k12568

5
5
votes
4
answers
1k
views

Less-known conjectures of significant influence and the contrary

jun 22 10 at 20:30 Charles Matthews 9,8001340

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