A note on the trace inequality for products of Hermitian matrix power. Yang, Zhongpeng; Feng, Xiaoxia — 2002 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
On a Schur complement inequality for the Hadamard product of certain totally nonnegative matrices. Yang, Zhongpeng; Feng, Xiaoxia — 2011 ELA. The Electronic Journal of Linear Algebra [electronic only]
Inequalities involving Hadamard products of Hermitian matrices. Yang, Zhongpeng; Zhang, Xian; Cao, Chongguang — 2001 Applied Mathematics E-Notes [electronic only]
Inequalities involving Khatri-Rao products of positive semi-definite matrices. Zhang, Xian; Yang, Zhongpeng; Cao, Chongguang — 2002 Applied Mathematics E-Notes [electronic only]