Toeplitz operators on generalized Bergman spaces

We consider the weighted Bergman spaces HL^2(B^d,μ_λ), where dμ_λ(z)=c_λ(1-|z|^2)^lambda dτ, τbeing the hyperbolic volume measure. These spaces are nonzero if and only if λ>d. For 0<λ\leq d, spaces with the same formula for the reproducing kernel can be defined using a Sobolev-type norm. We define Toeplitz operators on these generalized Bergman spaces and investigate their properties. Specifically, we describe classes of symbols for which the corresponding Toeplitz operators can be defined as bounded operators or as a Hilbert--Schmidt operators on the generalized Bergman spaces.

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