Timeline for Is there only one natural transformation from the product functor to itself?
Current License: CC BY-SA 3.0
8 events
when toggle format | what | by | license | comment | |
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Aug 28, 2012 at 19:30 | vote | accept | Wolfgang Jeltsch | ||
Aug 27, 2012 at 22:29 | comment | added | Todd Trimble | Qiaochu: I'm aware of that. | |
Aug 27, 2012 at 22:07 | comment | added | Qiaochu Yuan | There's no need to restrict to abelian groups. The natural transformations from the identity functor $G\text{-Set} \to G\text{-Set}$ are in natural bijection with $Z(G)$ for arbitrary $G$. | |
Aug 27, 2012 at 20:52 | comment | added | Wolfgang Jeltsch | Hmm, I need more time to think about this. Will continue tomorrow. | |
Aug 27, 2012 at 17:14 | comment | added | Todd Trimble | I added an edit which hopefully settles this to the OP's satisfaction. | |
Aug 27, 2012 at 17:13 | history | edited | Todd Trimble | CC BY-SA 3.0 |
added 572 characters in body
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Aug 27, 2012 at 15:11 | history | edited | Todd Trimble | CC BY-SA 3.0 |
added observations on the enriched case
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Aug 27, 2012 at 14:13 | history | answered | Todd Trimble | CC BY-SA 3.0 |