Timeline for Is there lore about how endofunctors of Cat interact with the formation of presheaf categories?
Current License: CC BY-SA 2.5
4 events
| when toggle format | what | by | license | comment | |
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| Jul 5, 2022 at 13:27 | answer | added | varkor | timeline score: 2 | |
| Mar 15, 2010 at 2:24 | comment | added | Charles Rezk | I've answered some of these. Q2: V is always a left Kan extension, and VA=B exactly when A is a full embedding (easy!). Q4: if $\Xi$ is not merely a functor, but a 2-functor, then V commutes with the functors induced by restricting presheaves along f. ($\Xi$ is a 2-functor in my first example, but not in the other two examples.) | |
| Mar 10, 2010 at 18:01 | answer | added | Tom Leinster | timeline score: 12 | |
| Mar 10, 2010 at 15:55 | history | asked | Charles Rezk | CC BY-SA 2.5 |