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Bounded composition operators on weighted function spaces in the unit disk
Sh. Huaa, Le Hai Khoia, Ph. T. Tienbc a School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371
b University of Science, Vietnam National University, 334 Nguyen Trai St., Hanoi, Vietnam
c TIMAS, Thang Long University, Nghiem Xuan Yem, Hoang Mai, Hanoi, Vietnam
Abstract:
We introduce a general class of weighted spaces $\mathscr{H}(\beta)$ of holomorphic functions in the unit disk $\mathbb{D}$, which contains several classical spaces, such as Hardy space, Bergman space, Dirichlet space. We characterize boundedness of composition operators $C_{\varphi}$ induced by affine and monomial symbols $\varphi$ on these spaces $\mathscr{H}(\beta)$. We also establish a sufficient condition under which the operator $C_{\varphi}$ induced by the symbol $\varphi$ with relatively compact image $\varphi(\mathbb{D})$ in $\mathbb{D}$ is bounded on $\mathscr{H}(\beta)$. Note that in the setting of $\mathscr{H}(\beta)$, the characterizations of boundedness of composition operators $C_{\varphi}$ depend closely not only on functional properties of the symbols $\varphi$ but also on the behavior of the weight sequence $\beta$.
Key words:
composition operator, weighted space, weight sequence, holomorphic function, unit disk.
Received: 08.06.2020
Citation:
Sh. Hua, Le Hai Khoi, Ph. T. Tien, “Bounded composition operators on weighted function spaces in the unit disk”, Vladikavkaz. Mat. Zh., 22:3 (2020), 112–123
Linking options:
https://www.mathnet.ru/eng/vmj737 https://www.mathnet.ru/eng/vmj/v22/i3/p112
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Abstract page: | 113 | Full-text PDF : | 43 | References: | 18 |
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