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3 votes

Surjectivity of map between Néron models $\mathcal{E} \to \mathcal{E}'$

I get that the Kodaira types of $E$ is II and for $E'$ it is IV${}^{*}$. This means that $\mathcal{E}$ is connected (or in simple terms no point over $\mathbb{Q}_3^{\text{unr}}$ reduces to the singula …
Chris Wuthrich's user avatar
2 votes
Accepted

Specialization of sections in an elliptic fibration

Your question is local, so we may take $S$ to be the ring of integers in a local field $K$. If the point $P\in E(K)$ is torsion or not does not matter in my answer here. I think here of an ellpitic cu …
Chris Wuthrich's user avatar