Timeline for Is the map $GL_n(\mathbb{Z})\to GL_n(\mathbb{Z}/2\mathbb{Z})$ surjective?
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 18, 2021 at 4:54 | vote | accept | Nanjun Yang | ||
| Mar 18, 2021 at 4:54 | comment | added | Nanjun Yang | This actually answers the surjectivity of $GL_n(GW(F))\to GL_n(W(F))$ since $GW(F)$ is determined by a fiber square $\mathbb{Z}\rightarrow \mathbb{Z}/2\mathbb{Z}\leftarrow W(F)$! | |
| Mar 18, 2021 at 3:51 | history | answered | LSpice | CC BY-SA 4.0 |