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Questions
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Higman embedding theorem

aug 18 11 at 7:40 Mark Sapir 27.7k●2●57●118

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Number of relations and free subgroups

mar 31 at 9:00 Anton Klyachko 938●2●10

 
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$H_2(H,\mathbb{Z})$ where H is a f.g. normal subgroup of a f.p. group.

aug 19 11 at 19:15 Agol 23.9k●1●33●85

 
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Hopf’s formula and inflation map

jul 8 10 at 7:41 Mike-Doherty 306●2●4

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Subgroups with Infinite cyclic quotients of the Thompons’s group

feb 15 12 at 6:59 Mustafa Gokhan Benli 998●1●3●13

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