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On the matrix Heron means and Rényi divergences
Linear and Multilinear Algebra ( IF 0.9 ) Pub Date : 2020-05-13 , DOI: 10.1080/03081087.2020.1763239 Trung Hoa Dinh 1 , Raluca Dumitru 2 , Jose A. Franco 2
中文翻译:
关于矩阵 Heron 均值和 Rényi 散度
更新日期:2020-05-13
Linear and Multilinear Algebra ( IF 0.9 ) Pub Date : 2020-05-13 , DOI: 10.1080/03081087.2020.1763239 Trung Hoa Dinh 1 , Raluca Dumitru 2 , Jose A. Franco 2
Affiliation
Bhatia, Lim, and Yamazaki studied the norm minimality of several Kubo-Ando means of positive semidefinite matrices. Recently, Hiai proved a norm minimality result involving the the weighted geometric mean and its ‘naïve’ extension given by , which is a matrix function in the definition of the quantum α-z-Rényi divergence. In connection to these results, for positive semidefinite matrices, we show that the inequality holds for p = 1, 2, , and , among other related inequalities.
中文翻译:
关于矩阵 Heron 均值和 Rényi 散度
Bhatia、Lim 和 Yamazaki 研究了正半定矩阵的几个 Kubo-Ando 均值的范数极小性。最近,Hiai 证明了一个涉及加权几何平均值的范数极小结果及其“天真的”扩展由,它是量子α - z -Rényi散度定义中的矩阵函数。结合这些结果,对于半正定矩阵,我们证明了不等式p = 1, 2,, 和,以及其他相关的不平等。