Timeline for What are natural transformations in 1-categories?
Current License: CC BY-SA 2.5
3 events
| when toggle format | what | by | license | comment | |
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| Dec 13, 2009 at 1:06 | comment | added | Mike Shulman | In particular, if H is an abelian group, then the only natural transformations between functors from G to H are automorphisms, and the group of automorphisms of any such functor is H itself. | |
| Dec 13, 2009 at 1:02 | comment | added | Harrison Brown | I thought I had a counterexample to that, but looking at it now I see I was confused. | |
| Dec 12, 2009 at 23:45 | history | answered | Leonid Positselski | CC BY-SA 2.5 |