The anti-symmetric ortho-symmetric solutions of the matrix equation A T XA=D. Xiao, Qing-Feng; Hu, Xi-Yan; Zhang, Lei — 2009 ELA. The Electronic Journal of Linear Algebra [electronic only]
The symmetric minimal rank solution of the matrix equation A X = B and the optimal approximation. Xiao, Qing-Feng; Hu, Xi-Yan; Zhang, Lei — 2009 ELA. The Electronic Journal of Linear Algebra [electronic only]