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Joint Hyponormality of Toeplitz Pairs with Rational Symbols

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Abstract

In this note we consider joint hyponormality of pairs of Toeplitz operators acting on the Hardy space \({H^2(\mathbb T)}\) of the unit circle \({\mathbb T}\). We give answers on some questions which arise from joint hyponormality of Toeplitz pairs with rational symbols.

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Authors and Affiliations

  1. Department of Mathematics, Sungkyunkwan University, Suwon, 440-746, Korea

    In Sung Hwang

  2. Department of Mathematics, Changwon National University, Changwon, 641–773, Korea

    An Hyun Kim

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  1. In Sung Hwang
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  2. An Hyun Kim
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Correspondence to An Hyun Kim.

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Hwang, I.S., Kim, A.H. Joint Hyponormality of Toeplitz Pairs with Rational Symbols. Integr. Equ. Oper. Theory 79, 123–134 (2014). https://doi.org/10.1007/s00020-014-2132-2

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  • DOI: https://doi.org/10.1007/s00020-014-2132-2

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