P.O Maina
Department Of Mathematics, Laikipia University, P.o. Box 1100, Kenya
Weyl`s Spectrum And Quasisimilarity Of Dominant, M-hyponormal And Biquasitriangular Operators
In this paper our tasks is twofold: First we investigate the conditions under which two quasi-similar dominant and biquasitriangular operators having Durnford`s property (C) have equal Weyl spectrum and under which quasisimilar M-hyponormal operator without property (C) have equal Weyl spectrum. Secondly we look at the possibility of which above classes of operators being quasi-similarity invariant.

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