Joint Hyponormality of Toeplitz Pairs with Rational Symbols |
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| Authors: | In Sung Hwang An Hyun Kim |
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| Institution: | 1. Department of Mathematics, Sungkyunkwan University, Suwon, 440-746, Korea
2. Department of Mathematics, Changwon National University, Changwon, 641–773, Korea
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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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