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Jun 29, 2023 at 21:12 vote accept Noah Schweber
Jan 19, 2023 at 2:09 answer added Farmer S timeline score: 4
Jan 18, 2023 at 4:48 comment added Noah Schweber @EmilJeřábek Nope, I was just wildly wrong - not sure why I thought that. Fixed!
Jan 18, 2023 at 4:48 comment added Noah Schweber @Wojowu Quite right, not sure what I was thinking. Fixed!
Jan 18, 2023 at 4:48 history edited Noah Schweber CC BY-SA 4.0
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Jan 18, 2023 at 4:45 comment added Wojowu $Aut(\mathcal R)$ is not isomorphic to $S_{\mathbb R}$ - the latter group has trivial center, while the center of the former consists of maps scaling everything by a fixed rational number.
Jan 17, 2023 at 22:32 comment added Emil Jeřábek I’m probably missing something obvious, but why is $\mathrm{Aut}(\mathcal R)\simeq\mathrm S_{\mathbb R}$?
Jan 17, 2023 at 18:16 history asked Noah Schweber CC BY-SA 4.0