Composition operators on <i>Q<sup>p</sup></i> spaces
Composition operators on <i>Q<sup>p</sup></i> spaces
Abstract A holomorphic map ψ of the unit disk ito itself induces an operator C ψ on holomorphic functions by composition. We characterize bounded and compact composition operators C ψ on Q p spaces, which coincide with the BMOA for p = 1 and Bloch spaces for p > 1. …