On the envelope of some classes of 3 by 3 matrices

dc.creator	Aretaki A., Chorianopoulos C.	en
dc.date.accessioned	2023-01-31T07:32:45Z
dc.date.available	2023-01-31T07:32:45Z
dc.date.issued	2022
dc.identifier	10.1016/j.amc.2022.127271
dc.identifier.issn	00963003
dc.identifier.uri	http://hdl.handle.net/11615/70753
dc.description.abstract	The envelope of a square complex matrix is a closed and bounded subset of the numerical range which contains the spectrum. We study the envelope of special classes of 3×3 matrices such as the nilpotent and the unitarily reducible matrices through the geometry of its generating cubic curves. © 2022 Elsevier Inc.	en
dc.language.iso	en	en
dc.source	Applied Mathematics and Computation	en
dc.source.uri	https://www.scopus.com/inward/record.uri?eid=2-s2.0-85130883737&doi=10.1016%2fj.amc.2022.127271&partnerID=40&md5=fcc8d7f1d90b231d0df6c0e6604a0f4c
dc.subject	3-by-3 matrix	en
dc.subject	Bounded subset	en
dc.subject	Closed subsets	en
dc.subject	Complex matrixes	en
dc.subject	Cubic curve	en
dc.subject	Envelope	en
dc.subject	Flat portion	en
dc.subject	matrix	en
dc.subject	Numerical range	en
dc.subject	Square complex	en
dc.subject	Linear algebra	en
dc.subject	Elsevier Inc.	en
dc.title	On the envelope of some classes of 3 by 3 matrices	en
dc.type	journalArticle	en

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