13

Questions
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Center of mass from the abstract point of view, or could the ancient Greeks invent modern analysis?

dec 24 at 0:22 Deane Yang 12.6k●1●33●82

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16
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What is the best probabilistic estimate from below for a random polynomial on an arc?

feb 20 at 14:26 fedja 19.5k●2●46●94

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Is the ball reducible in some high dimension?

jun 30 at 21:34 Greg Kuperberg 36.3k●2●117●179

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12
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606
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Why is there no formula for partial sums of some simple series?

dec 3 11 at 10:36 Igor Rivin 31.2k●3●37●71

 
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A slightly generalized existence and uniqueness theorem for integral equations (reference request)

oct 27 11 at 23:22 fedja 19.5k●2●46●94

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321
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An exponential polynomial with at least one bounded positivity component

aug 21 11 at 22:07 Will Jagy 12.5k●1●26●45

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1
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402
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Convex bodies with constant maximal section function in odd dimensions

jan 4 12 at 2:00 fedja 19.5k●2●46●94

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7
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1
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350
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A toy model for the t-section problem

jun 5 11 at 17:53 Douglas Zare 13.2k●3●36●58

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28
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2
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1k
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Moving one family of commuting self-adjoint operators to another without losing commutativity on the way

1d ago Sean Lawton 225●9

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88
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28
answers
15k
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Cool problems to impress students with group theory [closed]

apr 13 at 6:23 Andres Caicedo 14.4k●1●42●79

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