Timeline for Homomorphism from integral module generated by roots of unity to cyclic group?
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 24, 2016 at 22:50 | answer | added | Pace Nielsen | timeline score: -1 | |
| Jul 29, 2016 at 23:21 | comment | added | Luc Guyot | By Pontryagin's theorem (Th. 7.1 in L. Fuchs' "Abelian Groups"), the abelian group $\mathbb{Z}S$ is free. Considering a particular basis may help construct $\phi$ or disprove its existence. | |
| Jul 28, 2016 at 20:33 | history | asked | user9278 | CC BY-SA 3.0 |