Timeline for "Sums-compact" objects = f.g. objects in categories of modules?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Apr 7, 2017 at 12:23 | comment | added | HeinrichD | Thank you. I wanted to construct $f$ directly from the $f_i$, but this did not work since $R$ has no infinite sums. But as you write, we only need to consider the support. | |
| Apr 7, 2017 at 9:28 | comment | added | Jeremy Rickard | @HeinrichD I've added a proof that $M$ is sumpact. I presume the fact that it isn't finitely generated is clear? | |
| Apr 7, 2017 at 9:27 | history | edited | Jeremy Rickard | CC BY-SA 3.0 |
added a proof that $M$ is sumpact
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| Apr 7, 2017 at 9:04 | comment | added | HeinrichD | Can you please say something about the proof? I don't see how it works. | |
| Apr 18, 2012 at 20:05 | comment | added | Timothy Chow | Resurrecting old threads is perfectly fine, and if you give a good answer, you may even earn a "Necromancer" badge. | |
| Apr 18, 2012 at 18:34 | history | answered | Jeremy Rickard | CC BY-SA 3.0 |