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On sum of weighted differentiation composition operators from Bergman spaces with admissible weights to Zygmund type spaces

  • Ajay K. Sharma,
  • Sanjay Kumar,
  • Mehak Sharma,
  • Bhanu Sharma,
  • Mohammad Mursaleen

摘要

Let \({\mathbb D}\) D be the open unit disk in the complex plane. We characterize the boundedness and compactness of the sum of weighted differentiation composition operators \(\begin{aligned} (T_{\overrightarrow{\psi }, \varphi } f)(z)=\sum _{j=0}^{n}(D^j_{\psi _j, \varphi }f)(z)=\sum _{j=0}^n\psi _{j}(z) f^{(j)} (\varphi (z)),\quad z\in {\mathbb D}, \end{aligned}\) ( T ψ , φ f ) ( z ) = j = 0 n ( D ψ j , φ j f ) ( z ) = j = 0 n ψ j ( z ) f ( j ) ( φ ( z ) ) , z D , where \(n\in {\mathbb N}_0\) n N 0 , \(\psi _j\) ψ j , \(j\in \overline{0,n}\) j 0 , n ¯ , are holomorphic functions on \({\mathbb D}\) D , and \(\varphi \) φ , a holomorphic self-maps of \({\mathbb D}\) D , acting from Bergman spaces with admissible weights to Zygmund type spaces.