A note on exact approximations
Number Theory
2026-03-30 v3
Abstract
Based on M. Hall's theorem we prove a simple result dealing with real numbers which admit exact approximations by rationals.
Cite
@article{arxiv.2601.10051,
title = {A note on exact approximations},
author = {Dmitry Gayfulin and Sergei Pitcyn},
journal= {arXiv preprint arXiv:2601.10051},
year = {2026}
}
Comments
8 pages, more precise results and exposition