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Title: A symmetry exploiting Lanczos method for symmetric Toeplitz matrices
Language: English
Authors: Voß, Heinrich 
Keywords: Toeplitz matrix; eigenvalue problem; Lanczos method; symmetry
Issue Date: Jul-1999
Abstract (english): 
Several methods for computing the smallest eigenvalues of a symmetric and positive definite Toeplitz matrix T have been studied in the literature. The most of them share the disadvantage that they do not reflect symmetry properties of the corresponding eigenvector. In this note we present a Lanczos method which approximates simultaneously the odd and the even spectrum of T at the same cost as the classical Lanczos approach.
DOI: 10.15480/882.172
Institute: Mathematik E-10 
Document Type: Working Paper
License: In Copyright In Copyright
Part of Series: Preprints des Institutes für Mathematik 
Volume number: 30
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