Timeline for Finite subgroups of $\mathrm{SO}(n)$ and $\mathrm{O}(n)$
Current License: CC BY-SA 4.0
11 events
| when toggle format | what | by | license | comment | |
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| Mar 8, 2023 at 14:58 | vote | accept | Mare | ||
| Mar 7, 2023 at 18:29 | answer | added | Frieder Ladisch | timeline score: 11 | |
| Mar 4, 2023 at 10:00 | comment | added | Marco Golla | Tangentially relevant: there's a discussion of subgroups of $SO(4)$ that act freely on $S^3$ in Scott's The geometries of 3-manifolds. I don't know if anyone has written The geometries of 3-orbifolds, though. | |
| Mar 3, 2023 at 11:21 | comment | added | Mare | @S.Carnahan You are right. I changed the question so that it asks for the groups now. | |
| Mar 3, 2023 at 11:05 | history | edited | Mare | CC BY-SA 4.0 |
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| Mar 3, 2023 at 5:55 | history | edited | YCor | CC BY-SA 4.0 |
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| Mar 3, 2023 at 2:21 | answer | added | Noah Snyder | timeline score: 5 | |
| Mar 3, 2023 at 1:53 | comment | added | S. Carnahan♦ | All positive integers appear as orders of cyclic subgroups of orthogonal groups, so perhaps Question 1 should be made more fine-grained. For $n=4$, you can make a list of finite order subgroups using the product decomposition of $Spin(4)$ and the $n=3$ case. | |
| Mar 3, 2023 at 1:35 | comment | added | Ryan Budney | I think I asked question 1 of Ed Swartz (Cornell) once, and he knew of a Ph.D thesis where the complete list was given. Unfortunately I forget the reference, but perhaps try contacting Ed. | |
| Mar 3, 2023 at 1:08 | history | edited | Mare | CC BY-SA 4.0 |
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| Mar 3, 2023 at 0:52 | history | asked | Mare | CC BY-SA 4.0 |