Research article

Sharp bounds for Heinz mean by Heron mean and other means

  • Received: 26 October 2019 Accepted: 15 December 2019 Published: 20 December 2019
  • MSC : Primary: 26D15, 26D20, 47A63; Secondary: 42A10, 47A64, 47A56

  • In this paper, some sharp bounds for Heinz mean by Heron mean and other means are presented. Further, we point out a mistake in [1] and correct it. Finally, we extend the results to the corresponding operator means.

    Citation: Ling Zhu. Sharp bounds for Heinz mean by Heron mean and other means[J]. AIMS Mathematics, 2020, 5(1): 723-731. doi: 10.3934/math.2020049

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  • In this paper, some sharp bounds for Heinz mean by Heron mean and other means are presented. Further, we point out a mistake in [1] and correct it. Finally, we extend the results to the corresponding operator means.



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    [1] G. Shi, Generalization of Heinz operator inequalities via hyperbolic functions, J. Math. Inequal., 13 (2019), 715-724.
    [2] R. Bhatia, C. Davis, More matrix forms of the arithmetic-geometric mean inequality, SIAM J. Matrix Anal. Appl., 14 (1993), 132-136.
    [3] R. Bhatia, Interpolating the arithmetic-geometric mean inequality and its operator version, Linear Algebra Appl., 413 (2006), 355-363.
    [4] F. Kittaneh, M. S. Moslehian, M. Sababheh, Quadratic interpolation of the Heinz means, Math. Inequal. Appl., 21 (2018), 739-757.
    [5] M. Sababheh, On the matrix harmonic mean, J. Math. Inequal., 12 (2018), 901-920.
    [6] M. Biernacki, J. Krzyz, On the monotonicity of certain functionals in the theory of analytic functions, Ann. Univ. M. Curie-Sklodowska, 2 (1955), 134-145.
    [7] F. Kittaneh, M. Krnic, Refined Heinz operator inequalities, Linear Multilinear A., 61 (2013), 1148-1157.
    [8] J. G. Zhao, J. L. Wu, H. S. Cao, et al. Operator inequalities involving the arithmetic, geometric, Heinz and Heron means, J. Math. Inequal., 8 (2014), 747-756.
    [9] M. Bakherad, M. S. Moslehian, Reverses and variations of Heinz inequality, Linear Multilinear A., 63 (2015), 1972-1980.
    [10] T. H. Dinh, R. Dumitru, J. A. Franco, The matrix power means and interpolations, Adv. Oper. Theory, 3 (2018), 647-654.
    [11] Y. Kapil, C. Conde, M. S. Moslehian, et al. Norm inequalities related to the Heron and Heinz means, Mediterr. J. Math., 14 (2017), 213.
    [12] M. Ito, Estimations of the Lehmer mean by the Heron mean and their generalizations involving refined Heinz operator inequalities, Adv. Oper. Theory, 3 (2018), 763-780.
    [13] M. Singh, Inequalities involving eigenvalues for difference of operator means, Electron. J. Linear AL., 27 (2014), 557-568.
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  • © 2020 the Author(s), licensee AIMS Press. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0)
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