Timeline for Ultraproduct $\prod_p \mathbb{F}_p/\sim$ and $\mathbb{Q}^*$
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 28, 2012 at 13:19 | vote | accept | CommunityBot | ||
| Jan 28, 2012 at 12:37 | comment | added | Ramiro de la Vega | I believe one can prove that in that field every element is the sum of two squares. Also, its algebraic closure is isomorphic to the complex numbers (this is just a matter of cardinalities). | |
| Jan 28, 2012 at 10:48 | comment | added | James Cranch | I was about to post the same (using 2,3, and 6, but, same thing)! Thanks. | |
| Jan 28, 2012 at 10:47 | history | answered | user2035 | CC BY-SA 3.0 |