Timeline for What pure motives have Hodge realisations isomorphic to $\mathbb{Q}(0)$
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 26, 2018 at 20:00 | comment | added | Wenzhe | @jmc Thank you. The math community need to work harder. | |
| Mar 26, 2018 at 17:14 | comment | added | jmc | One more remark: we don't presently know if the motivic Galois group is a connected group if $k$ is algebraically closed. Not in the case of Nori motives, nor for André motives, nor for motives modulo $\sim$. Even over $\CC$ we cannot currently conclude that a $1$-dimensional motive is Tate. | |
| Mar 26, 2018 at 16:56 | comment | added | jmc | If $\sim$ is numerical equivalence, then we do not know that there is a Hodge realisation functor. You need the “hom = num” standard conjecture for that. | |
| Mar 25, 2018 at 10:53 | comment | added | Dietrich Burde | See also here and here. | |
| Mar 25, 2018 at 10:12 | history | asked | Wenzhe | CC BY-SA 3.0 |