The common range of co-analytic Toeplitz operators on the Drury-Arveson space

TL;DR

This paper characterizes the common range of adjoints of cyclic multiplication operators on the Drury-Arveson space, linking it to a decay condition on Taylor coefficients and introducing the uniform Smirnov class.

Contribution

It introduces the uniform Smirnov class on the ball and identifies its dual space, connecting it to the common range of adjoint operators in the Drury-Arveson space.

Findings

Characterization of the common range via Taylor coefficient decay

Introduction of the uniform Smirnov class on the ball

Dual space of the uniform Smirnov class equals the common range

Abstract

We characterize the common range of the adjoints of cyclic multiplication operators on the Drury--Arveson space. We show that a function belongs to this common range if and only if its Taylor coefficients satisfy a simple decay condition. To achieve this, we introduce the uniform Smirnov class on the ball and determine its dual space. We show that the dual space of the uniform Smirnov class equals the dual space of the strictly smaller Smirnov class of the Drury-Arveson space, and that this in turn equals the common range of the adjoints of cyclic multiplication operators.