Timeline for Are epimorphisms from a division ring isomorphisms ?
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Feb 6, 2013 at 22:01 | vote | accept | tj_ | ||
| Feb 6, 2013 at 18:31 | comment | added | Martin Brandenburg | In fact, $\alpha : R \to S$ is epi iff $S \otimes_R S/\alpha(R) = 0$. | |
| Feb 6, 2013 at 14:35 | history | answered | Ralph | CC BY-SA 3.0 |