Timeline for Modules over Laurent series rings
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 26, 2011 at 8:26 | history | undeleted | S. Carnahan♦ | ||
| Jul 26, 2011 at 8:25 | history | edited | S. Carnahan♦ | CC BY-SA 3.0 |
corrected (maybe)
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| Jul 26, 2011 at 5:35 | history | deleted | S. Carnahan♦ | ||
| Jul 25, 2011 at 22:36 | comment | added | JBorger | You're right. Similarly people speak about the $p$-adic topology on $\mathbf{Q}_p$ even though $p$ is invertible. What you need to do is say that a subset $U$ of $k((x))$ is open if there exists an integer $n$ such that $x^nU$ is an open subset of $k[[x]]$. | |
| Jul 25, 2011 at 18:47 | comment | added | Mike Shulman | What is the x-adic topology on k((x))? Since x is invertible, it doesn't generate a proper ideal in k((x)), does it? | |
| Jul 25, 2011 at 13:29 | history | answered | S. Carnahan♦ | CC BY-SA 3.0 |