Kobayashi-Royden vs. Hahn pseudometric in ${\mathbb{C}}^2$

Witold Jarnicki

For a domain $D\subset \mathbb{C}$ the Kobayashi--Royden $\kappa$ and Hahn $h$ pseudometrics are equal iff $D$ is simply connected. Overholt showed that for $D\subset {\mathbb{C}}^n$, $n\ge 3$,…