English

Heights and transcendence of $p$--adic continued fractions

Number Theory 2025-02-11 v6

Abstract

Special kinds of continued fractions have been proved to converge to transcendental real numbers by means of the celebrated Subspace Theorem. In this paper we study the analogous pp--adic problem. More specifically, we deal with Browkin pp--adic continued fractions. First we give some new remarks about the Browkin algorithm in terms of a pp--adic Euclidean algorithm. Then, we focus on the heights of some pp--adic numbers having a periodic pp--adic continued fraction expansion and we obtain some upper bounds. Finally, we exploit these results, together with pp--adic Roth-like results, in order to prove the transcendence of two families of pp--adic continued fractions.

Keywords

Cite

@article{arxiv.2302.04017,
  title  = {Heights and transcendence of $p$--adic continued fractions},
  author = {Ignazio Longhi and Nadir Murru and Francesco Maria Saettone},
  journal= {arXiv preprint arXiv:2302.04017},
  year   = {2025}
}

Comments

final version (we corrected a few minor errors) To appear in "Annali di Matematica Pura e Applicata"