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Questions

 
3
votes
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answer
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Flattening a corner in a convex $d$-polytope (into $d-1$ dimensions, without overlap)?

mar 23 12 at 16:07 Igor Rivin 31.1k33771

7
14
votes
7
answers
1k
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ubiquity, importance of path algebras

nov 16 09 at 17:47 Jose Brox 97511222

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16
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8
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5k
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Curriculum vitae: including grants you’ve applied for, not received (or not yet received).

jan 15 10 at 1:04 anonymous 11

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24
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21
answers
4k
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What’s a groupoid? What’s a good example of a groupoid?

may 10 10 at 4:09 KConrad 17k361117