Mathematics – Spectral Theory
Scientific paper
2005-03-16
Mathematics
Spectral Theory
28 pages and 1 figure
Scientific paper
In this article we further develop a perturbation approach to the Rayleigh--Ritz approximations from our earlier work. We both sharpen the estimates and extend the applicability of the theory to nonnegative definite operators . The perturbation argument enables us to solve two problems in one go: We determine which part of the spectrum of the operator is being approximated by the Ritz values and compute the approximation estimates. We also present a Temple--Kato like inequality which --unlike the original Temple--Kato inequality-- applies to any test vectors from the quadratic form domain of the operator.
No associations
LandOfFree
On eigenvalue and eigenvector estimates for nonnegative definite operators does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with On eigenvalue and eigenvector estimates for nonnegative definite operators, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On eigenvalue and eigenvector estimates for nonnegative definite operators will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-569197