Timeline for The main theorems of category theory and their applications
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 13, 2017 at 12:58 | history | edited | CommunityBot |
replaced http://mathoverflow.net/ with https://mathoverflow.net/
|
|
| Mar 4, 2013 at 4:37 | comment | added | Omar Antolín-Camarena | I've heard people say before that Cayley's theorem for groups is a special case of the Yoneda Lemma, but I think it's more correct to say that the permutation representation of G as acting on itself by translations is a special case of the Yoneda embedding. The Yoneda lemma, then says that for any G-set X, G-equivariant maps G → X are in bijection with the elements of X. | |
| Dec 14, 2011 at 21:17 | history | answered | Finn Lawler | CC BY-SA 3.0 |