Markov fractions and Cohn matrices
Number Theory
2026-04-21 v1
Abstract
We show that the Markov fractions introduced recently by Springborn coincide with the index of the Cohn matrices defined by Aigner. This provides a simple concatenation rule for the corresponding continued fractions on the Conway topograph.
Cite
@article{arxiv.2604.17401,
title = {Markov fractions and Cohn matrices},
author = {A. P. Veselov},
journal= {arXiv preprint arXiv:2604.17401},
year = {2026}
}
Comments
8 pages