Timeline for Fundamental group of the complement of a conic-line arrangement
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
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| Dec 20, 2011 at 22:51 | comment | added | Marco Golla | The mistake is that Oka requires his curve to be the union of irreducible curves that don't intersect in triples: in your case, $C\cap L_1 \cap L_2$ is nonempty. | |
| Dec 20, 2011 at 14:05 | comment | added | Fei YE | @Marco: Actually, I want to know if $A$ is abelian. If $A$ is not abelian, where is the mistake in the argument. | |
| Dec 19, 2011 at 10:14 | comment | added | Marco Golla | If you just need to prove that $A$ and $G$ are not isomorphic: the abelianisation of $A$ is $\mathbb{Z}^4$, the abelianisation of $G$ is $\mathbb{Z}^3$. | |
| Dec 19, 2011 at 9:34 | history | edited | Fei YE | CC BY-SA 3.0 |
added 401 characters in body
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| Dec 18, 2011 at 11:37 | history | asked | Fei YE | CC BY-SA 3.0 |