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W4cc0

Apparently, this user prefers to keep an air of mystery about them.

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19 Infinitely generated non-free group with all proper subgroups free Jan 27 '20
10 A group whose automorphism group is cyclic Feb 24 '15
6 An example of a simple infinite 2-group Jan 16 '15
5 Central extension of Tarski monsters Aug 17 '18
3 On the general linear group of a vector space of infinite dimension Jul 3 '18
2 Simple group with central extension by Prüfer group and an automorphism of infinite order Dec 14 '18
2 Uncountable cardinals and Prufer $p$-groups Apr 20 '15
1 An example of a non-(locally cyclic) Abelian group whose automorphism group is cyclic not of order $2$ Feb 26 '15

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