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New Norm Equalities and Inequalities for Hankel Operator Matrices

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Abstract

We prove new norm equalities and inequalities for general \(n\times n\) Hankel operator matrices, including pinching type inequalities for weakly unitarily invariant norms.

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Authors and Affiliations

  1. Department of Mathematics, Yarmouk University, Irbid, Jordan

    Watheq Bani-Domi

  2. Department of Mathematics, The University of Jordan, Amman, Jordan

    Fuad Kittaneh

  3. Ministry of Education, Irbid, Jordan

    Mutaz Shatnawi

Authors
  1. Watheq Bani-Domi
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  2. Fuad Kittaneh
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  3. Mutaz Shatnawi
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Corresponding author

Correspondence to Fuad Kittaneh.

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Communicated by Aurelian Gheondea.

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This article is part of the topical collection “Harmonic Analysis and Operator Theory” edited by H. Turgay Kaptanoglu, Aurelian Gheondea and Serap Oztop.

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Bani-Domi, W., Kittaneh, F. & Shatnawi, M. New Norm Equalities and Inequalities for Hankel Operator Matrices. Complex Anal. Oper. Theory 15, 95 (2021). https://doi.org/10.1007/s11785-021-01136-0

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  • DOI: https://doi.org/10.1007/s11785-021-01136-0

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