A distance bound for pseudospectra of matrix polynomials

In this note, we obtain a lower bound for the distance between the pseudospectrum of a matrix polynomial and a given point that lies out of it, generalizing a known result on pseudospectra of matrices.

• Type: Journal
• Year: 2007
• Where: APPML
• Authors: Panayiotis Psarrakos
• Keywords: APPML 2007, Lower Bound, Matrix Polynomial, Pseudospectrum