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Complex wedge-shaped matrices: A generalization of Jacobi matrices
Type of publication: Article
Citation:
Journal: Linear Algebra and its Applications
Volume: 487
Year: 2015
Pages: 203–219
DOI: 10.1016/j.laa.2015.09.017
Abstract: The paper by I. Hnětynková et al. (2015) [11] introduces real wedge-shaped matrices that can be seen as a generalization of Jacobi matrices, and investigates their basic properties. They are used in the analysis of the behavior of a Krylov subspace method: The band (or block) generalization of the Golub–Kahan bidiagonalization. Wedge-shaped matrices can be linked also to the band (or block) Lanczos method. In this paper, we introduce a complex generalization of wedge-shaped matrices and show some further spectral properties, complementing the already known ones. We focus in particular on nonzero components of eigenvectors.
Preprint project: NCMM
Preprint year: 2015
Preprint number: 10
Preprint ID: NCMM/2015/10
Keywords:
Authors Hnětynková, Iveta
Plešinger, Martin
Added by: [JP]
Total mark: 0
Attachments
  • 20150921210123.pdf
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