English

Lower bound for the canonical on Abelian varieties over totally $p$-adic extensions

Number Theory 2026-01-22 v2

Abstract

Let AA be an abelian variety defined over a number field Q\mathbb{Q}, and let h^\hat{h} be the N\'eron-Tate height on A(Q)A(\overline{\mathbb{Q}}) corresponding to a symmetric ample line bundle on AA. In this article, we prove that the N\'eron-Tate height of totally pp-adic points is bounded below by an absolute constant depending only on AA for all but finitely many primes. In other words, if we denote by Q(p)\mathbb{Q}^{(p)} the maximal algebraic extension of Q\mathbb{Q} in which pp is totally split, then A(Q(p))A(\mathbb{Q}^{(p)}) satisfies the Bogomolov property for all but finitely many primes. In particular, if AA has good reduction at a prime pp, we obtain the Bogomolov property A(\Q(p))A(\Q^{(p)}). This is the first instance where such a result has been obtained in the good reduction case. In a more general setting, if A/KA/K is an abelian variety and K/K\mathcal{K}/K is an asymptotically positive extension as defined in \cite{AB-SK}, which includes infinite Galois extensions with finite local degree at a non-archimedean place, then A(K)A(\mathcal{K}) satisfies the Bogomolov property.

Keywords

Cite

@article{arxiv.2511.17933,
  title  = {Lower bound for the canonical on Abelian varieties over totally $p$-adic extensions},
  author = {Sushant Kala},
  journal= {arXiv preprint arXiv:2511.17933},
  year   = {2026}
}

Comments

Title changed, minor clarifications to arguments or proofs, 17 pages, comments are welcome