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Jun 12, 2020 at 18:17 comment added James E Hanson Ah yes pretty easy, thanks again.
Jun 12, 2020 at 17:52 comment added YCor @JamesHanson no geometry, no quasi: this is because they are finitely presented, and there are only countably many finite group presentations, so there are countably many finitely presented groups up to isomorphism.
Jun 12, 2020 at 17:31 comment added James E Hanson Thank you. I apologize if this is basic geometric group theory, but where can I find a reference for the fact that there are only countably many quasi-isomorphism classes of discrete virtually nilpotent groups?
Jun 12, 2020 at 7:42 comment added YCor @JamesHanson I added a few references
Jun 12, 2020 at 7:42 history edited YCor CC BY-SA 4.0
added references
Jun 12, 2020 at 0:14 comment added James E Hanson Do you have references for at least one of these arguments? I found the 1989 paper by Pansu but I haven't been able to track down some of the other elements.
Oct 6, 2019 at 20:55 comment added YCor Changed "it's" to "$Y$". It's about arbitrary metric spaces.
Oct 6, 2019 at 20:54 history edited YCor CC BY-SA 4.0
changed "it's"
Oct 6, 2019 at 19:53 comment added James E Hanson I have a question regarding the sentence"If $Y$ is proper, uniformly discrete...". Is this a fact about Carnot Lie groups, Lie groups in general, homogeneous manifolds in general, or locally compact homogeneous metric spaces in general?
Oct 6, 2019 at 19:48 vote accept James E Hanson
Oct 6, 2019 at 19:45 history answered YCor CC BY-SA 4.0