Two kinds of condition numbers for the quadratic matrix equation. - Lan-dong Liu; Xin Lu (Appl. Math. Comput., 2013)

Condition number and backward errors of nonsymmetric algebraic Riccati equation. - Lan-dong Liu; Shu-Fang Xu (Appl. Math. Comput., 2014)

Perturbation analysis of a quadratic matrix equation associated with an M-matrix. - Lan-dong Liu (J. Comput. Appl. Math., 2014)