Timeline for Automorphisms of $\mathbb C_p$
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 13, 2019 at 17:59 | comment | added | YCor | Using that the transcendence degree of $\mathbf{C}_p$ over $\overline{\mathbf{Q}_p}$ is $2^{\aleph_0}$, one can easily check that the cardinal of the automorphism group of the field $\mathbf{C}_p$ (or its subgroup of $\mathbf{Q}_p$-algebra, or $\overline{\mathbf{Q}_p}$-algebra) is not only uncountable, but has cardinal $2^{2^{\aleph_0}}$. | |
| Feb 8, 2015 at 4:02 | vote | accept | joaopa | ||
| Feb 7, 2015 at 18:43 | vote | accept | joaopa | ||
| Feb 8, 2015 at 4:02 | |||||
| Feb 7, 2015 at 18:05 | history | answered | KConrad | CC BY-SA 3.0 |