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dc.contributor.authorGau, HLen_US
dc.contributor.authorWu, PYen_US
dc.date.accessioned2014-12-08T15:39:18Z-
dc.date.available2014-12-08T15:39:18Z-
dc.date.issued2004-05-01en_US
dc.identifier.issn0308-1087en_US
dc.identifier.urihttp://hdl.handle.net/11536/26841-
dc.description.abstractLet N be an n-by-n diagonal matrix whose distinct eigenvalues form corners of their convex hull, let x be a vector in with nonzero components, and let A be the compression of N to the orthogonal complement of x . In this article, we study the properties of the eigenvalues and the numerical range of A and show that in many ways they are analogous to the ones for unitary N . The approach via the diagonal form of N yields a much simpler proof for some of the main results in this area.en_US
dc.language.isoen_USen_US
dc.subjectnumerical rangeen_US
dc.subjectnormal compressionen_US
dc.titleNumerical range of a normal compressionen_US
dc.typeArticleen_US
dc.identifier.journalLINEAR & MULTILINEAR ALGEBRAen_US
dc.citation.volume52en_US
dc.citation.issue3-4en_US
dc.citation.spage195en_US
dc.citation.epage201en_US
dc.contributor.department應用數學系zh_TW
dc.contributor.departmentDepartment of Applied Mathematicsen_US
dc.identifier.wosnumberWOS:000221182700004-
dc.citation.woscount8-
Appears in Collections:Articles


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