On spectral properties of  -commuting operators in Hilbert spaces

dc.contributor.author	Khalaghai, J.M
dc.contributor.author	Kavila, M
dc.date.accessioned	2013-05-07T10:02:48Z
dc.date.available	2013-05-07T10:02:48Z
dc.date.issued	2012
dc.identifier.uri	http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/19736
dc.description.abstract	Let B(H) denote the Banach algebra of bounded linear operators on a complex Hilbert space H and let A;B 2 B(H) satisfying the equation; AB = BA; 2 C;AB 6= 0, where C denotes the complex number eld. In this case A and B are said to be -commuting operators. In this paper we investigate the conditions under which either AB and BA or B and B have same spectrum or same essential spectrum.	en
dc.language.iso	en	en
dc.subject	commuting operators	en
dc.subject	essential spectrum.	en
dc.title	On spectral properties of -commuting operators in Hilbert spaces	en
dc.type	Article	en
local.publisher	School of Mathematics, University of Nairobi	en

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