Abstract
Let \({u \in \mathcal{H}(\mathbb{D})}\) and φ be an analytic self-map of \({\mathbb{D}}\). We estimate the essential norms of weighted composition operators uC φ acting on Zygmund type spaces in terms of u, φ, their derivatives and the n-th power φ n of φ. Moreover, we give similar characterizations for boundedness of uC φ between Zygmund type spaces.
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Esmaeili, K., Lindström, M. Weighted Composition Operators Between Zygmund Type Spaces and Their Essential Norms. Integr. Equ. Oper. Theory 75, 473–490 (2013). https://doi.org/10.1007/s00020-013-2038-4
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DOI: https://doi.org/10.1007/s00020-013-2038-4