Timeline for When is a extension of $\mathbb{Z}$ by a free group a CAT(0) group?
Current License: CC BY-SA 2.5
11 events
| when toggle format | what | by | license | comment | |
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| Feb 4, 2021 at 12:24 | history | edited | YCor |
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| Feb 4, 2021 at 12:20 | answer | added | Matt Zaremsky | timeline score: 10 | |
| Dec 6, 2013 at 15:05 | vote | accept | HenrikRüping | ||
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| Dec 5, 2013 at 15:57 | answer | added | HenrikRüping | timeline score: 7 | |
| Feb 1, 2011 at 20:42 | answer | added | Ian Agol | timeline score: 13 | |
| Feb 1, 2011 at 15:49 | comment | added | HJRW | If the automorphism is finite order then it can be realised by a combinatorial automorphism of a graph. (This basically follows from Stallings' Ends Theorem.) The resulting mapping torus is CAT(0). | |
| Feb 1, 2011 at 15:46 | answer | added | HJRW | timeline score: 21 | |
| Feb 1, 2011 at 14:30 | vote | accept | HenrikRüping | ||
| Dec 6, 2013 at 15:05 | |||||
| Feb 1, 2011 at 13:59 | answer | added | Autumn Kent | timeline score: 14 | |
| Feb 1, 2011 at 13:37 | history | edited | HenrikRüping |
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| Feb 1, 2011 at 11:11 | history | asked | HenrikRüping | CC BY-SA 2.5 |