The eigenvalue distribution on Schur complement of nonstrictly diagonally dominant matrices and general H -matrices. Zhang, Cheng-Yi; Luo, Shuanghua; Xu, Fengmin; Xu, Chengxian — 2009 ELA. The Electronic Journal of Linear Algebra [electronic only]
The eigenvalue distribution of block diagonally dominant matrices and block H-matrices. Zhang, Cheng-Yi; Luo, Shuanghua; Huang, Aiqun; Xu, Chengxian — 2010 ELA. The Electronic Journal of Linear Algebra [electronic only]
Schur complements of generally diagonally dominant matrices and a criterion for irreducibility of matrices. Zhang, Cheng-Yi; Luo, Shuanghua; Xu, Chengxian; Jiang, Hongying — 2009 ELA. The Electronic Journal of Linear Algebra [electronic only]