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# Questions

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### Minimal volume of 4-manifolds

mar 31 10 at 21:18 Igor Belegradek 9,98711342

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### “The” random tree

mar 5 at 22:00 Samuele Giraudo 223117

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### $SL_2 R$ Casson invariant?

feb 28 10 at 17:08 Charlie Frohman 2,395515

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### Topological version of Bogomolov’s question

dec 17 09 at 19:38 Ian Agol 24.3k13486

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### Best mathematics conference?

nov 26 09 at 9:32 JS Milne 5,5281836

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

feb 14 11 at 1:09 ndkrempel 1,366619

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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 Ian Agol 24.3k13486

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