New portions of $M\setminus L$ and a lower bound on the Hausdorff distance between $L$ and $M$

Clément Rieutord, Carlos Gustavo Moreira, Harold Erazo

Let $M$ and $L$ be the Markov and Lagrange spectra, respectively. It is known that $L$ is contained in $M$ and Freiman showed in 1968 that $M\setminus L\ne \varnothing$. In 2018 the…