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On new quantum divergences
Linear and Multilinear Algebra ( IF 1.1 ) Pub Date : 2023-05-08 , DOI: 10.1080/03081087.2023.2209272 T. H. Dinh 1 , H. B. T. Du 2 , A. N. D. Nguyen 3, 4, 5 , T. D. Vuong 6
中文翻译:
关于新的量子分歧
更新日期:2023-05-08
Linear and Multilinear Algebra ( IF 1.1 ) Pub Date : 2023-05-08 , DOI: 10.1080/03081087.2023.2209272 T. H. Dinh 1 , H. B. T. Du 2 , A. N. D. Nguyen 3, 4, 5 , T. D. Vuong 6
Affiliation
In this paper, we introduce new quantum divergences of the form where σ and τ are Kubo–Ando operator means such that . More precisely, we show that is a quantum divergence when σ is the weighted Kubo–Ando matrix power mean and τ is the weighted geometric mean. In addition, we construct a new quantum Hellinger-type divergence using the linear approximation of the function . We also study the least-squares problem, the data processing inequality, and in-betweenness property of the matrix means with respect to the quantum Hellinger-type divergence.
中文翻译:
关于新的量子分歧
在这篇论文中,我们引入了新的量子发散形式其中σ和τ是 Kubo–Ando 算子意味着. 更准确地说,我们表明是当σ是加权 Kubo-Ando 矩阵幂均值且τ是加权几何均值时的量子散度。此外,我们使用函数的线性逼近构造了一个新的量子 Hellinger 型散度. 我们还研究了最小二乘问题、数据处理不等式以及矩阵均值与量子 Hellinger 型散度相关的介数性质。