Timeline for Ring of Witt vectors and p-adics
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 14, 2012 at 1:12 | comment | added | SGP | @Lubin:Indeed! Thanks! I forgot to mention that the Witt ring of $\bar{F_p}$ plays an important role in the theory of Lubin-Tate formal groups!! | |
| Jan 9, 2012 at 20:31 | comment | added | Lubin | Indeed, one should think of the Witt construction as a machine for producing unramified extensions of ${\mathbb{Q}}_p$. Since ${\mathbb{Q}}_p$ has plenty of ramified extensions, the Witt construction will always give you something far from the alg. closure. | |
| Jan 8, 2012 at 19:38 | vote | accept | Vipul Naik | ||
| Jan 8, 2012 at 19:10 | history | answered | SGP | CC BY-SA 3.0 |