More extensions of a determinant inequality of Hartfiel

Yanpeng Zheng, Xiaoyu Jiang, Xiaoting Chen and Fawaz Alsaadi

Applied Mathematics and Computation, 2020, vol. 369, issue C

Abstract: Hartfiel’s determinant inequality, first proved for two positive definite matrices, has been recently extended to the case of sector matrices by Lin, Hou and Dong. This paper contributes an improvement of Lin’s result with a simple argument, we also present a complement of Hou and Dong’s result.

Keywords: Sector matrix; Field of values; Determinant inequality (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:369:y:2020:i:c:s0096300319308197

DOI: 10.1016/j.amc.2019.124827

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