Timeline for Two exact sequences for $R$-modules: does one imply the other?
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
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| Oct 18, 2023 at 21:50 | answer | added | Dave Benson | timeline score: 2 | |
| Oct 18, 2023 at 20:55 | history | edited | LSpice | CC BY-SA 4.0 |
`\xrightarrow`
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| Oct 18, 2023 at 12:26 | history | edited | YCor | CC BY-SA 4.0 |
formatting
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| Oct 18, 2023 at 12:09 | history | edited | gmvh | CC BY-SA 4.0 |
Made title more representative of the actual question asked
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| Oct 18, 2023 at 11:01 | comment | added | Najmeh Dehghani | Yes. This means the center of the ring endomorphism of M. Means Cent(${\rm End}_{R}(M)$ | |
| Oct 18, 2023 at 10:45 | comment | added | Sampah | @Echo My guess the element of the centralizer subring $Z(End_R(M))$ | |
| Oct 18, 2023 at 7:51 | comment | added | user473423 | What do you mean by a central endomorphism of an $R$-module? | |
| Oct 18, 2023 at 7:35 | history | asked | Najmeh Dehghani | CC BY-SA 4.0 |