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Little Hankel Operators Between Vector-Valued Bergman Spaces on the Unit Ball (2012.10934v1)

Published 20 Dec 2020 in math.CV and math.FA

Abstract: In this paper, we study the boundedness and the compactness of the little Hankel operators $h_b$ with operator-valued symbols $b$ between different weighted vector-valued Bergman spaces on the open unit ball $\mathbb{B}n$ in $\mathbb{C}n.$ More precisely, given two complex Banach spaces $X,Y,$ and $0 < p,q \leq 1,$ we characterize those operator-valued symbols $b: \mathbb{B}{n}\rightarrow \mathcal{L}(\overline{X},Y)$ for which the little Hankel operator $h_{b}: Ap_{\alpha}(\mathbb{B}_{n},X) \longrightarrow Aq_{\alpha}(\mathbb{B}_{n},Y),$ is a bounded operator. Also, given two reflexive complex Banach spaces $X,Y$ and $1 < p \leq q < \infty,$ we characterize those operator-valued symbols $b: \mathbb{B}{n}\rightarrow \mathcal{L}(\overline{X},Y)$ for which the little Hankel operator $h{b}: Ap_{\alpha}(\mathbb{B}_{n},X) \longrightarrow Aq_{\alpha}(\mathbb{B}_{n},Y),$ is a compact operator.

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