Timeline for When is an object determined by the number of maps from the other objects?
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 14, 2022 at 17:58 | vote | accept | Claudio Pisani | ||
| Jul 13, 2022 at 14:47 | answer | added | varkor | timeline score: 4 | |
| Sep 30, 2020 at 18:13 | comment | added | Claudio Pisani | @martti : thanks for the very useful references. In fact I had a similar idea of proof based on factorization. So it seems that it is true for instance for $C = Set_f^G$ for any finite category $G$ (as well as for their dual). | |
| Sep 29, 2020 at 20:32 | comment | added | Martti Karvonen | after a bit of digging, I discovered that a sufficient condition based on similar factorization properties is proven in A. Pultr: Isomorphism types of objects in categories determined by numbers of morphisms. Acta Sci. Math. Szeged35(1973), 155–160 | |
| Sep 29, 2020 at 20:21 | comment | added | Martti Karvonen | mathoverflow.net/a/269745 seems to gesture towards an (unpublished) answer | |
| Sep 29, 2020 at 19:57 | history | edited | Claudio Pisani | CC BY-SA 4.0 |
deleted 2 characters in body
|
| Sep 29, 2020 at 19:18 | review | First posts | |||
| Sep 29, 2020 at 19:21 | |||||
| Sep 29, 2020 at 19:08 | history | asked | Claudio Pisani | CC BY-SA 4.0 |