English

On simultaneous approximation to a real number, its square, and its cube, II

Number Theory 2025-04-29 v1

Abstract

In a previous paper with the same title, we gave an upper bound for the exponent of uniform rational approximation to a quadruple of Q\mathbb{Q}-linearly independent real numbers in geometric progression. Here, we explain why this upper bound is not optimal.

Keywords

Cite

@article{arxiv.2407.03226,
  title  = {On simultaneous approximation to a real number, its square, and its cube, II},
  author = {Damien Roy},
  journal= {arXiv preprint arXiv:2407.03226},
  year   = {2025}
}

Comments

24 pages

R2 v1 2026-06-28T17:28:07.418Z