Timeline for How to define $\Lambda^0_0$, 0-horn of a simplicial point
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 27, 2014 at 14:55 | vote | accept | Ma Ming | ||
| Jun 26, 2014 at 17:35 | comment | added | Daniel Gerigk | (Remember that $\emptyset$ is not contained in the simplex category $\Delta$.) | |
| Jun 26, 2014 at 17:32 | comment | added | Daniel Gerigk | Of course you may define anything you want. But if you want the horns of a simplex $\Delta^n$ to bijectively correspond to the maximal proper subobjects of $\Delta^n$ in the simplex category $\Delta$, then the simplex $\Delta^0$ has no horns. | |
| Jun 25, 2014 at 23:24 | comment | added | Ma Ming | then why we do not define it to be $\emptyset$? | |
| Mar 20, 2014 at 3:01 | review | First posts | |||
| Mar 20, 2014 at 4:41 | |||||
| Mar 16, 2014 at 0:41 | history | answered | Daniel Gerigk | CC BY-SA 3.0 |