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Questions
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Proofs of Jacobi’s four-square theorem

feb 1 12 at 21:51 Kevin O'Bryant 6,442●1●27●54

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1
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Computing exponential sums rapidly?

jul 31 11 at 11:22 MathOverflow♦ 1●2●3

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832
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(Good) effective version of Kronecker’s theorem?

feb 8 12 at 6:08 Charles 4,139●8●26

 
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2
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515
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Bounding Euler products (or almost) by products of zeta functions

mar 9 12 at 2:36 H A Helfgott 3,102●9●31

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0
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702
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Sticking subgroups in different directions - symmetric group

may 6 11 at 16:58 H A Helfgott 3,102●9●31

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613
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Non-conjugate words with the same trace

sep 12 10 at 5:09 Bill Thurston 17.6k●8●62●100

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1
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760
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Surjective maps given by words, redux

nov 25 09 at 21:20 Philipp Lampe 851●7●17

 
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485
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Restriction theorems over finite fields

feb 19 10 at 17:34 Pete L. Clark 39.5k●3●102●225

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1k
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Non-vanishing of zeta(s), Re(s)=1, without complex analysis?

nov 23 10 at 11:20 Marc Palm 6,946●7●20

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2
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842
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What about the classification of big finite simple groups?

feb 14 11 at 13:23 Jim Humphreys 26k●37●82

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