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# Questions

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19
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### Titles composed entirely of math symbols

sep 28 at 9:08 Nick Gill 2,881718

9
40
8
4k
views

### Fair but irregular polyhedral dice

dec 11 11 at 21:49 Scott Sherman 11122

19
36
11
3k
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### Why are matrices ubiquitous but hypermatrices rare?

dec 6 at 20:14 Gil Kalai 10.7k680144

2
6
5
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nov 7 10 at 14:58 Louigi Addario-Berry 3,37211124

10
18
4
3k
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### “The complex version of Nash’s theorem is not true”

dec 21 11 at 12:47 diverietti 3,245618

9
44
4
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### Tying knots with reflecting lightrays

nov 14 at 1:37 Joseph O'Rourke 43.2k149214

22
28
5
2k
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### Is the boundary $\partial S$ analogous to a derivative?

mar 30 11 at 20:28 Denis Serre 18.7k13193

24
54
5
2k
views

### Gaussian prime spirals

feb 17 at 1:03 Joseph O'Rourke 43.2k149214

9
49
2
2k
views

### Light reflecting off Christmas-tree balls

dec 9 11 at 21:42 Joseph O'Rourke 43.2k149214

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