An Elsner-like perturbation theorem for generalized eigenvalues
Title | An Elsner-like perturbation theorem for generalized eigenvalues |
Publication Type | Journal Articles |
Year of Publication | 2004 |
Authors | Stewart G.W |
Journal | Linear Algebra and its Applications |
Volume | 390 |
Pagination | 1 - 5 |
Date Published | 2004/10/01/ |
ISBN Number | 0024-3795 |
Keywords | eigenvalue, Elsner’s theorem, Generalized eigenvalue, Perturbation theory |
Abstract | In 1985 Elsner established a general bound on the distance between an eigenvalue of a matrix and the closest eigenvalue of a perturbation of that matrix. In this note, we show that a similar result holds for the generalized eigenvalue problem. |
URL | http://www.sciencedirect.com/science/article/pii/S0024379504002459 |
DOI | 10.1016/j.laa.2004.05.006 |