Zero cycles on products of elliptic curves over local fields with supersingular reduction

Fuente: arXiv
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Auteur principal: Castano, Alejandro De Las Penas
Format: Preprint
Publié: 2025
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author Castano, Alejandro De Las Penas
author_facet Castano, Alejandro De Las Penas
contents For a product $E_1\times E_2$ of two elliptic curves over a $p$-adic field with good supersingular reduction, we produce infinitely many rational equivalences in the Chow group $\mathrm{CH}_0(X)$ of zero cycles via genus 2 covers of $E_1$ and $E_2$. We use this to obtain evidence for a conjecture of Colliot-Thélène about the structure of the Albanese kernel.
format Preprint
id arxiv_https___arxiv_org_abs_2512_00568
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Zero cycles on products of elliptic curves over local fields with supersingular reduction
Castano, Alejandro De Las Penas
Algebraic Geometry
14C25 (Primary), 14G20, 11G07 (Secondary)
For a product $E_1\times E_2$ of two elliptic curves over a $p$-adic field with good supersingular reduction, we produce infinitely many rational equivalences in the Chow group $\mathrm{CH}_0(X)$ of zero cycles via genus 2 covers of $E_1$ and $E_2$. We use this to obtain evidence for a conjecture of Colliot-Thélène about the structure of the Albanese kernel.
title Zero cycles on products of elliptic curves over local fields with supersingular reduction
topic Algebraic Geometry
14C25 (Primary), 14G20, 11G07 (Secondary)
url https://arxiv.org/abs/2512.00568