On the group inverse of linear combinations of two group invertible matrices. Liu, Xiaoji; Wu, Lingling; Benitez, Julio — 2011 ELA. The Electronic Journal of Linear Algebra [electronic only]
Some results on matrix partial orderings and reverse order law. Benitez, Julio; Liu, Xiaoji; Zhong, Jin — 2010 ELA. The Electronic Journal of Linear Algebra [electronic only]
On the star partial ordering of normal matrices. Merikoski, Jorma K.; Liu, Xiaoji — 2006 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
On rank subtractivity between normal matrices. Merikoski, Jorma K.; Liu, Xiaoji — 2008 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]