An Oppenheim type inequality for a block Hadamard product

作者：Lin Minghua^*

来源：Linear Algebra and Its Applications, 2014, 452: 1-6.

DOI：10.1016/j.laa.2014.03.025

• Block Hadamard product
• Oppenheim's inequality

We prove an Oppenheim type determinantal inequality for a block Hadamard product of two block commuting positive semidefinite matrices. This solves a conjecture of Gunther and Klotz (2012) in [2].

• 出版日期2014-7-1