6

Questions
votes newest views recent
80
147
votes
8
answers
9k
views

Polynomial representing all nonnegative integers

nov 26 10 at 0:44 George Lowther 9,613●1●25●46

18
31
votes
15
answers
5k
views

Strong induction without a base case

nov 17 11 at 5:41 Marcos Cossarini 713●6●8

17
46
votes
1
answer
3k
views

Smooth proper scheme over Z

jan 8 10 at 14:01 Pete L. Clark 39.6k●3●102●226

17
37
votes
2
answers
1k
views

Collapsible group words

jul 11 11 at 19:18 Sam Nead 5,302●12●26

7
22
votes
1
answer
945
views

Is every curve birational to a smooth affine plane curve?

dec 24 09 at 7:59 Maharana 901●6●12

5
30
votes
1
answer
776
views

Is the group of integer points on a finite-type group scheme over Z finitely presented?

apr 28 10 at 15:11 ulrich 6,760●1●13●23