A note on structured pseudospectra of block matrices

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Ferro, R. and Virtanen, J. A. (2017) A note on structured pseudospectra of block matrices. Journal of Computational and Applied Mathematics, 322. pp. 18-24. ISSN 0377-0427 doi: 10.1016/j.cam.2017.03.020

Abstract/Summary

In this note we consider the question of equivalence of pseudospectra and structured pseudospectra of block matrices. The structures we study are all so called double structures; that is, the blocks of the given matrix are of the same structure as the block matrix. The approach is based on that of non-block matrices, which are also briefly studied, and the use of distance to singularity. We also list some open problems and conjectures.

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Item Type	Article
URI	https://reading-clone.eprints-hosting.org/id/eprint/69637
Identification Number/DOI	10.1016/j.cam.2017.03.020
Refereed	Yes
Divisions	Science > School of Mathematical, Physical and Computational Sciences > Department of Mathematics and Statistics
Publisher	Elsevier
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Funders:	Engineering and Physical Sciences Research Council	The sponsoring bodies who contributed funding for the creation of this item. Example: NERC Example: The Royal Society of Chemistry A pick list of funders may appear as you type in the funder's name in full or as an acronym. Select a correct match to complete the field or type in a new entry in full. For new entries, the full name is preferred.
Projects:	Riemann-Hilbert problems, infinite matrices and their applications Funded by: Engineering and Physical Sciences Research Council (EP/M024784/1 - £98,560) Project Lead: Jani A. Virtanen Local Lead (PI): Jani Virtanen 1 June 2015 - 31 May 2017	Click Add to select your project (received at Reading) from an autocomplete list.

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Date Deposited:	17 Mar 2017 12:18	Date item deposited into CentAUR
Last Modified:	30 Jun 2024 01:26	Date item last modified

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