15

Questions
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What can be said about a group from its presentation?

oct 21 at 6:22 Daniel Moskovich 11.1k●1●36●105

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3
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632
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Profinite completion of a semidirect product

feb 10 12 at 11:08 Ahmed Elsawy 1●1

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Advantageous properties of 4 letter alphabet (in DNA)?

jul 18 10 at 14:25 Willie Wong 6,987●20●43

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510
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Examples of finitely generated elementary amenable groups which are not virtually solvable

sep 26 at 15:45 Mikael de la Salle 3,456●5●16

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Distinguishing pro-finite completions

sep 26 10 at 3:45 Agol 23.9k●1●33●84

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453
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Finitely generated subgroups with infinite cyclic quotient

jul 27 10 at 19:56 HW 10.1k●1●23●66

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431
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Higman embedding theorem

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

 
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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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Amenable groups not containing free semigroups

feb 27 11 at 5:33 Denis Osin 1,706●6●14

 
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Quotients of f.p. amenable groups

dec 25 11 at 17:02 Goldstern 5,260●1●12●27

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