Eigenvalue localization for complex matrices
Author
Rojo Jeraldo, Óscar Luis
Soto Montero, Ricardo Lorenzo
Rojo J., Héctor
Tam, Tin- Yau
Abstract
In this paper, we prove that all the eigenvalues λi of a complex matrix A of order n lie in a disk with center at trA/n and radius
This radius can be bounded without knowing the eigenvalues of A.