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# Questions

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### Ratio of Sequences Sum Inequality

dec 15 11 at 23:41 fedja 19.5k24694

1
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1
393
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### When is a triangular matrix totally unimodular?

jun 14 10 at 17:37 Tony Huynh 8,97312262

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327
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### Area ratio of a minimum bounding rectangle of a convex polygon

jun 4 at 20:23 Igor Rivin 31.2k33771

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jun 25 10 at 0:37 David Eppstein 9,23312141

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