8

Questions
votes newest views recent
32
69
votes
3
answers
3k
views

Is R^3 the square of some topological space?

jan 19 at 0:12 Adam Epstein 946●2●12

2
13
votes
4
answers
1k
views

Nonconvex manhole covers

jul 22 10 at 10:40 Stephen Miller 21●1

132
84
votes
67
answers
23k
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Math puzzles for dinner [closed]

feb 2 11 at 11:38 klaraspina 105●1●6

1
5
votes
5
answers
853
views

Coloring Points in the Plane

jun 15 at 9:49 Dima Pasechnik 3,080●3●14

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8
votes
1
answer
492
views

Controlling Ultrapowers

oct 17 10 at 5:16 Bjørn Kjos-Hanssen 2,468●1●9●18

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21
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13
answers
4k
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“A gentleman never chooses a basis.”

sep 18 at 1:56 Peter May 12.1k●1●38●54

4
5
votes
2
answers
619
views

Complete theory with exactly n countable models?

oct 17 10 at 5:05 Bjørn Kjos-Hanssen 2,468●1●9●18

 
8
votes
2
answers
558
views

Homomorphism more than 3/4 the inverse

oct 1 09 at 19:36 Anton Geraschenko♦♦ 13.7k●3●48●108