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# Questions

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### Ultrafilters and automorphisms of the complex field

mar 25 at 4:07 cheng tianren 1

14
24
1
751
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### Cayley graphs of finitely generated groups

mar 23 10 at 17:27 Guntram 2,3561718

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### HNN Embedding Theorem for Amenable Groups?

sep 24 11 at 17:43 Denis Osin 1,706614

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### On the size of balls in Cayley graphs

aug 19 10 at 21:53 Andreas Thom 13.1k12364

21
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4k
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### Computing the Galois group of a polynomial

may 20 at 11:59 darij grinberg 12.6k12475

2
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725
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### Folner sequences of amenable groups of exponential growth

oct 30 10 at 14:45 Piotr Nowak 2356

3
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439
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### Periodic Automorphism Towers

jun 12 10 at 17:16 Simon Thomas 6,03911836

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