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Questions
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Rank gradients and HNN-extensions

apr 27 at 8:44 Yves Cornulier 2,991●1●6●11

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Finite index subgroups of free groups and torsion-free amenable quotients of free groups

nov 11 11 at 4:09 Peter Linnell 176●1●2●4

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Finite simple groups with upper bound on order of elements

jul 22 10 at 18:07 Colin Reid 2,337●8●14

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Does a group have a unique pro-p topology?

feb 24 10 at 18:31 Jonathan Kiehlmann 686●6●10

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subgroups of graph groups

feb 13 10 at 22:28 HW 10.1k●1●23●66