On Mori's theorem for quasiconformal maps in the $n$-space

Barkat Ali Bhayo, Matti Vuorinen

R. Fehlmann and M. Vuorinen proved in 1988 that Mori's constant $M(n,K)$ for $K$-quasiconformal maps of the unit ball in ${\mathbf{R}}^n$ onto itself keeping the origin fixed satisfi…