Decomposable Blaschke products of degree $2^n$

Asuman Güven Aksoy, Francesca Arici, M. Eugenia Celorrio +1

We study the decomposability of a finite Blaschke product $B$ of degree $2^n$ into $n$ degree-$2$ Blaschke products, examining the connections between Blaschke products, the ellipt…