Matricial ranges of quadratic operators

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DC 欄位	值	語言
dc.contributor.author	Tso, SH	en_US
dc.contributor.author	Wu, PY	en_US
dc.date.accessioned	2019-04-03T06:39:15Z	-
dc.date.available	2019-04-03T06:39:15Z	-
dc.date.issued	1999-09-01	en_US
dc.identifier.issn	0035-7596	en_US
dc.identifier.uri	http://dx.doi.org/10.1216/rmjm/1181071625	en_US
dc.identifier.uri	http://hdl.handle.net/11536/31106	-
dc.description.abstract	We show that if T is a quadratic operator on a Hilbert space, then (1) the numerical range of T is an (open or closed) elliptical disc (or its degenerate form) and (2) for every n greater than or equal to 1, the nth matricial range of T consists of n x n matrices whose numerical ranges are contained in the closure of the numerical range of T.	en_US
dc.language.iso	en_US	en_US
dc.subject	numerical range	en_US
dc.subject	matricial range	en_US
dc.subject	quadratic operator	en_US
dc.title	Matricial ranges of quadratic operators	en_US
dc.type	Article	en_US
dc.identifier.doi	10.1216/rmjm/1181071625	en_US
dc.identifier.journal	ROCKY MOUNTAIN JOURNAL OF MATHEMATICS	en_US
dc.citation.volume	29	en_US
dc.citation.issue	3	en_US
dc.citation.spage	1139	en_US
dc.citation.epage	1152	en_US
dc.contributor.department	應用數學系	zh_TW
dc.contributor.department	Department of Applied Mathematics	en_US
dc.identifier.wosnumber	WOS:000084541800020	en_US
dc.citation.woscount	42	en_US
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