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# Questions

29
46
votes
9
answers
5k
views

### How has “what every mathematician should know” changed?

jan 7 at 18:11 Gerald Edgar 15.2k12867

30
31
votes
12
answers
6k
views

### Examples of undergraduate mathematics separation from what mathematicians should know

jan 11 12 at 6:04 Ed Dean 1,4461514

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27
votes
4
answers
4k
views

### Fields with trivial automorphism group

sep 26 10 at 23:29 Gene S. Kopp 1,408619

7
26
votes
2
answers
905
views

### Does every finitely presentable group have a presentation that simultaneously minimizes the number of generators and number of relators?

may 20 10 at 4:56 Agol 23.9k13384

1
25
votes
2
answers
730
views

### Isomorphic general linear groups implies isomorphic fields?

sep 11 at 15:30 Mikhail Borovoi 2,632614

8
21
votes
10
answers
2k
views

### Examples of non-abelian groups arising in nature without any natural action

jul 19 11 at 16:46 Mark Sapir 27.6k257118

7
16
votes
2
answers
832
views

### What invariants of a matrix or representation can be used to find its GL(n,Z)-conjugacy class?

jul 13 11 at 2:26 Vipul Naik 4,8651342

5
15
votes
3
answers
1k
views

### Betting markets for unsolved problems?

sep 8 10 at 12:20 Gil Kalai 10.7k680144

5
15
votes
2
answers
1k
views

### Order information enough to guarantee 1-isomorphism?

jul 28 10 at 0:24 Tom Goodwillie 26.6k258110

4
15
votes
1
answer
561
views

### Balancing problem

jan 12 10 at 8:30 Gjergji Zaimi 37.4k272149