Inner functions inQKtype spaces

摘要

Inner functions inQK(p,q)are studied, providedKsatisfies certain regularity conditions. In particular, it is shown that the only inner functions inQK(p,  p-2),   p≥1, are precisely the Blaschke products whose zeros{zn}satisfysup⁡a∈D∑K(1-|φa(zn)|2)<∞.