Sub-Bergman Hilbert spaces on the unit disk III

Shuaibing Luo, Kehe Zhu

For a bounded analytic function $\phi$ on the unit disk $\D$ with $\Vert \phi {\Vert }_{\infty }\le 1$ we consider the defect operators $D_{\phi }$ and $D_{\overline{\phi }}$ of the Toeplitz operators $T_{\phi }$ and $T…