English

Good's Theorem for Hurwitz Continued Fractions

Number Theory 2020-03-23 v3

Abstract

Good's Theorem for regular continued fraction states that the set of real numbers [a0;a1,a2,][a_0;a_1,a_2,\ldots] such that limnan=\displaystyle\lim_{n\to\infty} a_n=\infty has Hausdorff dimension 12\tfrac{1}{2}. We show an analogous result for the complex plane and Hurwitz Continued Fractions. The set of complex numbers whose Hurwitz Continued fraction [a0;a1,a2,][a_0;a_1,a_2,\ldots] satisfies limnan=\displaystyle\lim_{n\to\infty} |a_n|=\infty has Hausdorff dimension 11, half of the ambient space's dimension.

Keywords

Cite

@article{arxiv.1806.11331,
  title  = {Good's Theorem for Hurwitz Continued Fractions},
  author = {Gerardo González Robert},
  journal= {arXiv preprint arXiv:1806.11331},
  year   = {2020}
}

Comments

Some typos were fixed. The paper has been published by the International Journal of Number Theory. The published version has a detailed proof of Lemma 2.1

R2 v1 2026-06-23T02:45:49.595Z