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# Questions

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### Covering maps in real life that can be demonstrated to students

mar 14 at 8:52 Sergey Melikhov 3,6921219

2
6
9
909
views

dec 1 at 3:15 Brian Rushton 1,317419

8
32
1
865
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### The human body’s random number generator

dec 31 at 13:57 Brian Rushton 1,317419

11
21
10
844
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### Great mathematics books by pre-modern authors

apr 19 at 14:56 Alexandre Eremenko 10.6k12439

5
16
2
665
views

### How does hyperbolicity of space time affect our lives?

mar 15 at 18:33 Y Macdisi 1475

2
8
1
568
views

### Topology, the board game

mar 13 at 18:01 Adam Epstein 946212

5
14
0
560
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### Horrible sets and blowups in Hubbard’s Teichmuller theory

dec 2 at 3:22 Brian Rushton 1,317419

4
2
542
views

### Eigenvalues of nonnegative integer matrices

nov 16 at 1:55 Brian Rushton 1,317419

3
7
1
301
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### Why isn’t $\langle x,y,z|xyzx^{-1}y^{-1}z^{-1}\rangle$ a hyperbolic surface group?

may 7 at 14:16 Lee Mosher 5,8061926

6