Timeline for Is a finite abstract polytope of Euler characteristic 0 Eulerian?
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
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| Feb 22, 2017 at 14:22 | comment | added | Richard Stanley | They would have the same Euler characteristic if $Y$ were the face poset of a triangulation of the torus, but we have adjoined an extra element $t$. | |
| Feb 22, 2017 at 7:21 | comment | added | მამუკა ჯიბლაძე | Sorry for this question, but I got confused. Although I have checked what you say, and everything is correct, I still don't understand one thing. Geometrically, $Y\times Z$ must be the cylinder of $Y$, so be homotopy equivalent to $Y$, hence have the same Euler characteristic. How come they are different?? | |
| Feb 21, 2017 at 21:45 | vote | accept | Nathaniel Bottman | ||
| Feb 21, 2017 at 21:42 | history | answered | Richard Stanley | CC BY-SA 3.0 |