Resumen de Eigenvalue localization for complex matrices

Óscar Luis Rojo Jeraldo, Ricardo L. Soto, Héctor Rojo J., Tin-Yau Tam

• 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.