Timeline for Principal congruence subgroups in higher rank
Current License: CC BY-SA 3.0
10 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Sep 26, 2011 at 14:11 | history | edited | Igor Rivin | CC BY-SA 3.0 |
included Andy's remark
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| Sep 26, 2011 at 14:10 | comment | added | Igor Rivin | @Andy: Oops, did not process that part. | |
| Sep 26, 2011 at 14:00 | comment | added | Andy Putman | As I discussed in my answer, the rank of the abelianization of $\Gamma_n(p)$ is $n^2-1$, so any generating set must have size at least $n^2-1$. | |
| Sep 26, 2011 at 11:45 | history | edited | Igor Rivin | CC BY-SA 3.0 |
added more detail and commented on the references.
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| Sep 26, 2011 at 7:27 | comment | added | Suvrit | @Andy: I think someone had put a close vote, because previously the question did not have a "for the self-proclaimed obtuse" response that actually states what the question is! | |
| Sep 25, 2011 at 22:15 | comment | added | Andy Putman | By the way, you might be interested in the following question I asked a while ago : mathoverflow.net/questions/2757/… | |
| Sep 25, 2011 at 22:06 | answer | added | Andy Putman | timeline score: 13 | |
| Sep 25, 2011 at 21:35 | comment | added | Andy Putman | Why on earth did someone vote to close? This is a perfectly good question... | |
| Sep 25, 2011 at 20:22 | history | edited | Igor Rivin | CC BY-SA 3.0 |
added explanation
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| Sep 25, 2011 at 16:08 | history | asked | Igor Rivin | CC BY-SA 3.0 |