Logarithmic Norms for Matrix Pencils. - Inmaculada Higueras; Berta Garcia-Celayeta (SIAM J. Matrix Anal. Appl., 1999)

How Close Can the Logarithmic Norm of a Matrix Pencil Come to the Spectral Abscissa? - Inmaculada Higueras; Berta Garcia-Celayeta (SIAM J. Matrix Anal. Appl., 2000)