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An Eigenvalue Inclusion Set for Matrices with a Constant Main Diagonal Entry
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Journal Article
An Eigenvalue Inclusion Set for Matrices with a Constant Main Diagonal Entry
2018
Overview
A set to locate all eigenvalues for matrices with a constant main diagonal entry is given, and it is proved that this set is tighter than the well-known Geršgorin set, the Brauer set and the set proposed in (Linear and Multilinear Algebra, 60:189-199, 2012). Furthermore, by applying this result to Toeplitz matrices as a subclass of matrices with a constant main diagonal, we obtain a set including all eigenvalues of Toeplitz matrices.
Publisher
MDPI AG
Subject
