Timeline for Analytic vs Zariski neighbourhood of a fibre
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Jul 12, 2020 at 15:41 | comment | added | Tony Pantev | Yes, this what I had in mind. And the point is that for a Zariski open set $U$, the cover $\widetilde{U}$ is connected while for a small disk $\Delta$, the cover $\widetilde{\Delta}$ has two components. | |
| Jul 12, 2020 at 3:23 | comment | added | bog | Just to be sure that I have understood completely your answer: you are using the fact that the analytic Picard group of $f^{-1}(U)$ is the invariant Picard group in $E\times \tilde U$ by the involution, right? | |
| Jul 12, 2020 at 2:37 | comment | added | bog | Thank you very much! | |
| Jul 12, 2020 at 2:36 | vote | accept | bog | ||
| Jul 10, 2020 at 17:55 | history | answered | Tony Pantev | CC BY-SA 4.0 |