Lattices of Minimal Covolume in {$\mathrm{PSL}_2$} over Dyadic Local Fields
Nov 7, 2026··
0 min read
Y. Du
Abstract
In this paper, we classify the lattices of minimal covolume in $\mathrm{SL}(2,K)$ for each finite extension $K/\mathbb{Q}_2$. This extends a result of Lubotzky and Weigel, which treats finite extensions of $\mathbb{Q}_p$ for odd primes $p$.
Type