A non-Archimedean analogue of the Hodge-D-conjecture for products of elliptic curves

Details A non-Archimedean analogue of the Hodge-D-conjecture for products of elliptic curves A non-Archimedean analogue of the Hodge-D-conjecture for products of elliptic curves

2008-03-05

arxiv.org/abs/0803.0589v1

Mathematics

Number Theory

13 pages. To appear in the Journal of Algebraic Geometry

Scientific paper

In this paper we show that the map % $$\partial:CH^2(E_1 \times E_2,1)\otimes \Q \longrightarrow PCH^1(\XX_v)$$ % is surjective, where $E_1$ and $E_2$ are two non-isogenous semistable elliptic curves over a local field, $CH^2(E_1 \times E_2,1)$ is one of Bloch's higher Chow groups and $PCH^1(\XX_v)$ is a certain subquotient of a Chow group of the special fibre $\XX_{v}$ of a semi-stable model $\XX$ of $E_1 \times E_2$. On one hand, this can be viewed as a non-Archimedean analogue of the Hodge-$\D$-conjecture of Beilinson - which is known to be true in this case by the work of Chen and Lewis \cite{lech}, and on the other, an analogue of the works of Spei{\ss} \cite{spie}, Mildenhall \cite{mild} and Flach \cite{flac} in the case when the elliptic curves have split multiplicative reduction.

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