Characterizations of composition operators on Bloch and Hardy type spaces. (English) Zbl 1536.30089
Summary: The main purpose of this paper is to investigate characterizations of composition operators on Bloch and Hardy type spaces. Initially, we use general doubling weights to study the composition operators from harmonic Bloch type spaces on the unit disc \(\mathbb{D}\) to pluriharmonic Hardy spaces on the Euclidean unit ball \(\mathbb{B}^n\). Furthermore, we develop some new methods to study the composition operators from harmonic Bloch type spaces on \(\mathbb{D}\) to pluriharmonic Bloch type spaces on \(\mathbb{D}\). Additionally, some application to new characterizations of the composition operators between pluriharmonic Lipschitz type spaces to be bounded or compact will be presented. The obtained results of this paper provide the improvements and extensions of the corresponding known results.
MSC:
| 30H30 | Bloch spaces |
| 32A18 | Bloch functions, normal functions of several complex variables |
| 32A35 | \(H^p\)-spaces, Nevanlinna spaces of functions in several complex variables |
| 47B33 | Linear composition operators |
Keywords:
Bloch-type space; Hardy space; pluriharmonic Hardy space on \(\mathbb B^n\); composition operatorReferences:
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