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Aug 2 at 20:08 history bumped CommunityBot This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
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Dec 6, 2023 at 18:01 history bumped CommunityBot This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
Nov 6, 2023 at 15:14 history edited YCor
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Nov 6, 2023 at 15:07 history bumped CommunityBot This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
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Jun 9, 2023 at 14:28 answer added Nuno Hultberg timeline score: 1
May 17, 2023 at 21:38 comment added Bruno Kahn @Jef: thanks, but can you elaborate? PS: no assumption on $k$, as you guessed. (Maybe perfect.)
May 17, 2023 at 21:38 comment added Bruno Kahn @Watson: yes, this is my question.
May 17, 2023 at 18:10 comment added Jef In any case, this is true, and follows from the fact that if $P \in E(K)$, and $\Gamma_i$ is a fibral curve of $\mathcal{E}$ intersecting the identity section, then $\tau_P(\Gamma_i) = \Gamma_i$ if and only if the section $\bar{P}$ of $\mathcal{E}$ intersects $\Gamma_i$.
May 17, 2023 at 18:04 comment added Jef What are your assumptions on $k$?
May 17, 2023 at 17:43 comment added Watson Just to understand: what is your question exactly? Is $E(K)_0$ isomorphic to $\mathcal{E}^0(C)$?
May 17, 2023 at 16:07 history asked Bruno Kahn CC BY-SA 4.0