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math.RA2025
Orthogonal tripotent matrices
Tan Mei, Kezheng Zuo, Wanlin Jiang
In this paper, we present different characterizations of tripotent orthogonal matrices (i.e., A^3 = A = A^* ) in terms of matrix equations, integer powers of AA^* and A^*A, average…
math.RA2025
The Bott-Duffin drazin inverse and its application
Lu Zheng, Xiangyu Zhang, Kezheng Zuo +1
The paper introduce a new type of generalized inverse, called Bott-Duffin drazin inverse (or, in short, BDD-inverse) of a complex square matrix, and give some of its properties, ch…