A proof of $p$-adic Gross--Zagier theorem via BDP formula

Fuente: arXiv
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Main Authors: Büyükboduk, Kâzım, Neamti, Peter
Format: Preprint
Published: 2026
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author Büyükboduk, Kâzım
Neamti, Peter
author_facet Büyükboduk, Kâzım
Neamti, Peter
contents This paper provides a new proof of the $p$-adic Gross--Zagier formula for the $p$-adic $L$-function associated with the base change of a normalised cuspidal eigen-newform $f$ of weight $k \geq 2$ (and families of such) to an imaginary quadratic field $K$. Our results encompass both the classical $p$-ordinary cases and non-ordinary scenarios, including new cases where $k > 2$ and $\mathrm{ord}_p(a_p(f)) > 0$. Unlike the traditional approach of comparing geometric and analytic kernels, we employ a ``wall-crossing'' strategy centred on the BDP formula and the theory of Beilinson--Flach elements.
format Preprint
id arxiv_https___arxiv_org_abs_2604_13854
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle A proof of $p$-adic Gross--Zagier theorem via BDP formula
Büyükboduk, Kâzım
Neamti, Peter
Number Theory
Primary 11G40, Secondary 11G18, 11F67, 11R23, 11F33
This paper provides a new proof of the $p$-adic Gross--Zagier formula for the $p$-adic $L$-function associated with the base change of a normalised cuspidal eigen-newform $f$ of weight $k \geq 2$ (and families of such) to an imaginary quadratic field $K$. Our results encompass both the classical $p$-ordinary cases and non-ordinary scenarios, including new cases where $k > 2$ and $\mathrm{ord}_p(a_p(f)) > 0$. Unlike the traditional approach of comparing geometric and analytic kernels, we employ a ``wall-crossing'' strategy centred on the BDP formula and the theory of Beilinson--Flach elements.
title A proof of $p$-adic Gross--Zagier theorem via BDP formula
topic Number Theory
Primary 11G40, Secondary 11G18, 11F67, 11R23, 11F33
url https://arxiv.org/abs/2604.13854