7

Questions
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16
50
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9
answers
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Can a non-surjective polynomial map from an infinite field to itself miss only finitely many points?

dec 1 09 at 5:35 Greg Kuperberg 36.4k●2●117●179

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7
votes
4
answers
1k
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Does Cantor-Bernstein hold for classes?

nov 24 10 at 21:27 Ricky Demer 6,421●8●31

 
12
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5
answers
753
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Pairs of shortest paths

oct 23 09 at 17:42 Ricky Liu 370●3●5

4
10
votes
2
answers
732
views

What is the size of the category of finite dimensional F_q vector spaces?

oct 21 09 at 8:15 Philipp Lampe 901●7●17

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7
votes
1
answer
293
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Determinant of a pullback diagram

oct 22 09 at 16:44 Reid Barton 14.5k●1●29●86

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8
votes
1
answer
278
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An “existence contra partition of unity” statement for integer matrices?

dec 11 09 at 19:21 Philipp Lampe 901●7●17

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3
votes
0
answers
81
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Non-crystallographic cluster algebras

may 21 at 18:19 Philipp Lampe 901●7●17