Timeline for Calculating étale fundamental groups from the usual fundamental group
Current License: CC BY-SA 4.0
4 events
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| Mar 14, 2023 at 21:25 | history | edited | Michael Hardy | CC BY-SA 4.0 |
added 11 characters in body
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| Mar 14, 2023 at 20:59 | comment | added | R. van Dobben de Bruyn | The precise reference is SGA 1, Exp. X, Cor. 1.8. | |
| Mar 14, 2023 at 20:42 | comment | added | Will Sawin | One can indeed use the Lefschetz principle here: $\pi_1(X_K, \overline{x}_K)$ is independent of the choice of $K$ for $K$ algebraically closed of characteristic zero, so one may assume $K=\mathbb C$. This is contained in SGA 1 somewhere. | |
| Mar 14, 2023 at 19:59 | history | asked | FPV | CC BY-SA 4.0 |