On the convexity of the joint essential numerical ranges

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DC Field	Value	Language
dc.contributor.author	Sakwa, Cyprian O.
dc.contributor.author	Masibayi, Andrew
dc.contributor.author	Okelo, N. B.
dc.date.accessioned	2020-03-11T07:15:27Z
dc.date.available	2020-03-11T07:15:27Z
dc.date.issued	2015-05
dc.identifier.issn	2455-9210
dc.identifier.uri	https://www.ijrdo.org/index.php/m/article/view/2399/2047
dc.identifier.uri	http://repository.seku.ac.ke/handle/123456789/6013
dc.description.abstract	The concept of essential numerical range of an operator was defined and studied by Stampfli and Williams in 1972. In this paper, we consider the joint essential numerical range of an m-tuple of operators T = (푇1,...,푇푚)in B(X) and show that the convexity of the classical numerical range also hold for the joint essential numerical range.	en_US
dc.language.iso	en	en_US
dc.publisher	Hindawi	en_US
dc.title	On the convexity of the joint essential numerical ranges	en_US
dc.type	Article	en_US
Appears in Collections:	School of Science and Computing (JA)

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