title: A note on the Drazin indices of square matrices.
abstract: For a square matrix A, the smallest nonnegative integer k such that rank (A(k)) =rank (A(k+1)) is called the Drazin index of A. In this paper, we give some results on the Drazin indices of sum and product of square matrices.
authors.affiliation: College of Automation, Harbin Engineering University, Harbin 150001, China.
authors.forename: Lijun
authors.initials: L
authors.lastname: Yu
authors.affiliation: College of Automation, Harbin Engineering University, Harbin 150001, China.
authors.forename: Tianyi
authors.initials: T
authors.lastname: Bu
authors.affiliation: College of Science, Harbin Engineering University, Harbin 150001, China ; College of Computer Science and Technology, Harbin Engineering University, Harbin 150001, China.
authors.forename: Jiang
authors.initials: J
authors.lastname: Zhou
mesh_terms: D000465:Algorithms; D003198:Computer Simulation; D055641:Mathematical Concepts; D008962:Models, Theoretical; D009716:Numerical Analysis, Computer-Assisted