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Questions
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Does there exist a contractible fiber bundle with fiber $G(\infty)$ and base $SU(\infty)$?

mar 14 11 at 19:21 Agol 23.9k●1●33●84

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How many elements does it take to normally generate a group?

feb 14 11 at 1:09 ndkrempel 1,366●6●19

 
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Variety defined by a recursively enumerable set of polynomials

jul 20 10 at 19:00 Richard Borcherds 14.1k●2●54●82

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Minimal volume of 4-manifolds

mar 31 10 at 21:18 Igor Belegradek 9,841●1●13●42

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$SL_2 R$ Casson invariant?

feb 28 10 at 17:08 Charlie Frohman 2,395●5●15

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Topological version of Bogomolov’s question

dec 17 09 at 19:38 Agol 23.9k●1●33●84

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Best mathematics conference?

nov 26 09 at 9:32 JS Milne 5,498●17●36

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“The” random tree

mar 5 at 22:00 Samuele Giraudo 223●1●7