Trace class criteria for Toeplitz and composition operators on small Bergman spaces

By J. A. Pel'aez, Jouni Rattya. 2014

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We characterize the Schatten class Toeplitz operators induced by a positive Borel measure on the unit disc and the reproducing kernel of the Bergman space $A^2_\omega$, where $\omega$ is a radial weight satisfying the doubling property $\int_r^1\omega(s)\,ds\le C\int_{\frac{1+r}{2}}^1\omega(s)\,ds$. By using this, we describe the Schatten class composition operators. We also discuss basic properties of composition operators acting from $A^p_\omega$ to $A^q_v$.

Subfields: Applied Mathematics

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