Timeline for Free module over $H$-module algebra
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| May 21, 2018 at 14:55 | comment | added | Sam | Yes, thanks! I got lost in the H- module stuff and missed this simple thing! | |
| May 21, 2018 at 3:19 | comment | added | tj_ | If one writes $V \cong \oplus k$ as $k$-vector spaces, then, isn't $R \otimes_k V \cong \oplus (R \otimes_k k) \cong \oplus R$ an isomorphism of $R$-modules under the given action of $R$ ? | |
| May 20, 2018 at 20:02 | history | asked | Sam | CC BY-SA 4.0 |