Timeline for Why is it a good idea to study a ring by studying its modules?
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| Jun 11, 2013 at 4:27 | comment | added | KConrad | Mariano: a quotient of two ideals is not a ring, just as an ideal in a ring (other than the whole ring) is not a subring. At least not in commutative algebra. | |
| Jun 11, 2013 at 0:17 | comment | added | Mariano Suárez-Álvarez | Well, $I/J$ is a ring, so that argument is not going to convince the extremists :-) | |
| Jun 10, 2013 at 23:18 | history | answered | Joël | CC BY-SA 3.0 |