Some inequalities related to $2\times 2$ block sector partial transpose matrices
Junjian Yang, Linzhang Lu, Zhe Chen · Journal of Inequalities and Applications · 2020
Abstract In this article, two inequalities related to $2\times 2$ 2×2 block sector partial transpose matrices are proved, and we also present a unitarily invariant norm inequality for the Hua matrix which is sharper than an existing result.