Refined Selmer equations for the thrice-punctured line in depth two

Alex J. Best, L. Alexander Betts, Theresa Kumpitsch +5

In [Kim05], Kim gave a new proof of Siegel's Theorem that there are only finitely many $S$-integral points on ${\mathbb{P}}_{\mathbb{Z}}^1\setminus \{0,1,\infty \}$. One advantage of Kim…