Timeline for Constructing motivic representations through extensions of $\mathrm{SL}(2, \mathbb{Z})$
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Oct 23, 2021 at 15:05 | comment | added | user149000 | Yes, that's what I meant. Interesting result. | |
| Oct 22, 2021 at 17:07 | comment | added | Will Chen | For your first question, your use of $SL(2,\mathbb{Z})(\widehat{\mathbb{Z}})$ is confusing, since in the rest of your post you seem to use $SL(2,\mathbb{Z})$ as a group, not a group scheme. If you really meant $SL(2,\widehat{\mathbb{Z}})$, then the relation between that and $\widehat{SL(2,\mathbb{Z}))$ is that the latter surjects onto the former (by the universal property of profinite completions), the kernel being free profinite of countable rank. | |
| Oct 21, 2021 at 22:25 | history | edited | YCor | CC BY-SA 4.0 |
formatting, added tag
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| S Oct 21, 2021 at 21:55 | review | First questions | |||
| Oct 21, 2021 at 22:01 | |||||
| S Oct 21, 2021 at 21:55 | history | asked | user149000 | CC BY-SA 4.0 |