Timeline for Is there a Seifert–van Kampen theorem for etale fondemental group?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 9, 2018 at 15:46 | comment | added | Praphulla Koushik | @Z.Zhou If possible, once you get some idea can you write down some rough sketch here... | |
| Dec 9, 2018 at 15:32 | comment | added | user19475 | See [J. Stix, A general Seifert-Van Kampen theorem for algebraic fundamental groups, Publications of RIMS 42 (2006), no. 3, 763-786] | |
| Dec 9, 2018 at 14:58 | comment | added | Piotr Achinger | It is even easier than SvK for the topological fundamental group, as it simply amounts to etale descent for finite etale covers. | |
| Dec 9, 2018 at 14:53 | comment | added | Dylan Wilson | Is this SGA1 IX.5.1 (in this case where S' is the disjoint union of two open sets covering S)? | |
| Dec 9, 2018 at 14:22 | history | asked | Bonbon | CC BY-SA 4.0 |