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Published Authors

Prof. J.M.Khalagai
University Of Nairobi, School Of Mathematics, P.o Box 30197, Kenya
Weyl's Spectrum And Quasisimilar Biquasitriangular Operators In Hilbert Space
Various notion of equality of spectra and essential spectra of quasi similar operators have been studied, but the same results has not been reflected clearly with ω(A) . This paper shows that the theory for the notion of ω(A) simplifies if the underlying space is a separable infinite dimensional Hilbert space and the operator is reduced by its

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