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Normal complex symmetric weighted composition operators on the Hardy space

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In this paper, we investigate the normal and complex symmetric weighted composition operators $W_{\psi,\varphi}$ on the Hardy space $H^2(\mathbb{D})$. Firstly, we give the explicit conditions of weighted composition operators to be normal and complex symmetric with respect to conjugations $\mathcal{C}_1$ and $\mathcal{C}_2$ on $H^2(\mathbb{D})$, respectively. Moreover, we particularly investigate the weighted composition operators $W_{\psi,\varphi}$ on $H^2(\mathbb{D})$ which are normal and complex symmetric with respect to conjugations $\mathcal{J}$, $\mathcal{C}_1$ and $\mathcal{C}_2$, respectively, when $\varphi$ has an interior fixed point, $\varphi$ is of hyperbolic type or parabolic type.

Abstract

In this paper, we investigate the normal and complex symmetric weighted composition operators $W_{\psi,\varphi}$ on the Hardy space $H^2(\mathbb{D})$. Firstly, we give the explicit conditions of weighted composition operators to be normal and complex symmetric with respect to conjugations $\mathcal{C}_1$ and $\mathcal{C}_2$ on $H^2(\mathbb{D})$, respectively. Moreover, we particularly investigate the weighted composition operators $W_{\psi,\varphi}$ on $H^2(\mathbb{D})$ which are normal and complex symmetric with respect to conjugations $\mathcal{J}$, $\mathcal{C}_1$ and $\mathcal{C}_2$, respectively, when $\varphi$ has an interior fixed point, $\varphi$ is of hyperbolic type or parabolic type.

참고문헌 (19)

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  8. Stephan Ramon Garcia, "Complex symmetric operators and applications II", Transactions of the American Mathematical Society, 359(08), pp.3913~3931 (2007), American Mathematical Society (AMS)[DOI]
  9. Stephan Ramon Garcia, "Some new classes of complex symmetric operators", Transactions of the American Mathematical Society, 362(11), pp.6065~6065 (2010), American Mathematical Society (AMS)[DOI]
  10. Xiaohe Hu, "Complex symmetric weighted composition operators on Dirichlet spaces and Hardy spaces in the unit ball", International Journal of Mathematics, 31(01), pp.2050006~ (2020), World Scientific Pub Co Pte Ltd[DOI]
  11. Cao Jiang, "Complex Symmetric Toeplitz Operators on the Unit Polydisk and the Unit Ball", Acta Mathematica Scientia, 40(1), pp.35~44 (2020), Springer Science and Business Media LLC[DOI]
  12. Cao Jiang, "Complex symmetric weighted composition operators on the Hardy space", Czechoslovak Mathematical Journal, 70(3), pp.817~831 (2020), Institute of Mathematics, Czech Academy of Sciences[DOI]
  13. Sungeun Jung, "Complex symmetric weighted composition operators on H 2 ( D )", Journal of Functional Analysis, 267(2), pp.323~351 (2014), Elsevier BV[DOI]
  14. Trieu Le, "Self-adjoint, unitary, and normal weighted composition operators in several variables", Journal of Mathematical Analysis and Applications, 395(2), pp.596~607 (2012), Elsevier BV[DOI]
  15. Renon Lim, "Complex symmetric weighted composition operators on H γ ( D )", Journal of Mathematical Analysis and Applications, 464(1), pp.101~118 (2018), Elsevier BV[DOI]
  16. Sivaram K. Narayan, "Complex symmetric composition operators on H2", Journal of Mathematical Analysis and Applications, 443(1), pp.625~630 (2016), Elsevier BV[DOI]
  17. S. Waleed Noor, "Complex symmetry of composition operators induced by involutive ball automorphisms", Proceedings of the American Mathematical Society, 142(9), pp.3103~3107 (2014), American Mathematical Society (AMS)[DOI]
  18. S. Waleed Noor, "On an example of a complex symmetric composition operator on H 2 ( D )", Journal of Functional Analysis, 269(6), pp.1899~1901 (2015), Elsevier BV[DOI]
  19. Xiaohuan Wang, "A Note on Aluthge Transforms of Complex Symmetric Operators and Applications", Integral Equations and Operator Theory, 65(4), pp.573~580 (2009), Springer Science and Business Media LLC[DOI]

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