期刊
LINEAR & MULTILINEAR ALGEBRA
卷 70, 期 20, 页码 5922-5931出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/03081087.2021.1939255
关键词
Inequality; geometric mean; arithmetic mean; harmonic mean; sector matrix
类别
资金
- National Natural Science Foundation of China [11871249, 11871326, 11931009]
This paper provides upper and lower bounds for the weighted arithmetic mean, geometric mean, and harmonic mean of a set of sector matrices, extending previous results by Sagae and Tanabe. In application, the study presents inequalities for singular values, determinants, and unitarily invariant norms.
We provide upper and lower bounds for the weighted arithmetic mean, geometric mean and harmonic mean of a set of sector matrices. It generalizes Sagae and Tanabe's result in [Linear Multilinear Algebra. 1994;37:279-282] to multiple sector matrices. As an application of the bounds, we present inequalities for singular values, determinants and unitarily invariant norms.
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