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Questions
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A Game on Noetherian Rings

may 15 12 at 8:12 Martin Brandenburg 29.1k●2●46●130

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39
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3
answers
1k
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What is the geometry of an undecidable diophantine equation?

dec 6 at 7:14 KConrad 17k●3●63●117

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887
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What is the best homology/cohomology theory for the Lefschetz fixed point theorem?

nov 3 11 at 6:15 Greg Kuperberg 36.3k●2●116●179

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2
answers
756
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What conjectures in anabelian geometry are false?

nov 10 at 22:17 Lars 2,625●2●12●22

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3
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3
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696
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Which functions have all derivatives everywhere positive?

jan 26 12 at 18:14 Liviu Nicolaescu 11.4k●1●20●33

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25
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1
answer
533
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How many polynomial Morse functions on the sphere?

apr 3 at 12:19 Liviu Nicolaescu 11.4k●1●20●33

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12
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1
answer
506
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Can every finite poset be realized as divisors of an algebraic curve?

jan 26 12 at 4:02 Will Sawin 18.6k●1●24●48

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8
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1
answer
477
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What do formal group laws of height $\geq 3$ look like?

mar 11 at 10:07 Christian Nassau 887●3●7

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4
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1
answer
444
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Is there a free cohomology ring space functor?

jan 24 12 at 0:27 Peter May 12.1k●1●39●55

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9
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1
answer
406
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Explicit Bijection between Central Simple Algebras and twists of $\mathbb P^n$

apr 12 12 at 3:08 mark 353●1●7

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