Commuting semigroups of holomorphic mappings

Mark Elin, Marina Levenshtein, Simeon Reich +1

Let $S_1={\left\{F_t\right\}}_{t\ge 0}$ and $S_2={\left\{G_t\right\}}_{t\ge 0}$ be two continuous semigroups of holomorphic self-mappings of the unit disk $\Delta =\{z:|z|<1\}$ generat…