Timeline for On faces of polytopes
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
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| Jul 5, 2023 at 17:53 | comment | added | gerw | I am not totally sure, because I do not speak convex geometry fluently. But the set on the last line is nonempty and on the boundary of $A$. Hence, it is a face of $A$. | |
| Jul 5, 2023 at 15:36 | comment | added | Iosif Pinelis | Thank you for your answer. Can you detail your last sentence? | |
| Jul 5, 2023 at 12:22 | history | answered | gerw | CC BY-SA 4.0 |