Bull. Korean Math. Soc. 2023; 60(3): 649-657
Online first article May 11, 2023 Printed May 31, 2023
https://doi.org/10.4134/BKMS.b220137
Copyright © The Korean Mathematical Society.
Chao Zhang
Guangdong University of Education
In this paper, we give new necessary and sufficient conditions for the compactness of composition operator on the Besov space and the Bloch space of the unit ball, which, to a certain extent, generalizes the results given by M. Tjani in [10].
Keywords: Composition operator, Besov spaces, Bloch spaces, Carleson measure
MSC numbers: Primary 47B33, 30H25, 30H30
Supported by: The author is supported by Special Projects in Key Areas of Guangdong Province (No. ZDZX1088) and Fund for Science and Technology of Guangzhou (No. 202102080428).
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