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Results tagged with gr.group-theory
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user 7411
Questions about the branch of algebra that deals with groups.
8
votes
HNN Embedding Theorem for Amenable Groups?
Theorem 2 of Hall, P.
On the finiteness of certain soluble groups.
Proc. London Math. Soc. (3) 9 1959 595--622.
shows that there is a finitely generated solvable group of derived
length 3 with a subgr …
- 196
10
votes
Accepted
Finite index subgroups of free groups and torsion-free amenable quotients of free groups
If F is a free group and R is a normal subgroup of F, then I thought it was well-known that F/R' is torsion free (cannot find an explicit reference now, though this is stated just after Lemma 5 of [Fa …
- 196