Timeline for Multiplicative groups in field extensions
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 20, 2013 at 2:11 | comment | added | Will Sawin | Clearly the torsion subgroup remains finite, because adding infinitely many new roots of unity requires an infinite degree field extension. So the main question is whether the torsion-free quotient is free. | |
| May 20, 2013 at 0:00 | history | asked | Josué Tonelli-Cueto | CC BY-SA 3.0 |