Browsing Research Articles by Author "Nzimbi, Benard Mutuku"
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On Similarity and Quasisimilarity equivalence relations
Sitati, Isaiah Nalianya; Musundi, Sammy Wabomba; Nzimbi, Benard Mutuku; Kirimi, Jacob (2012-01)Similarity and unitary equivalence can be shown to be of equivalence relations. We discuss a result showing that two similar operators have equal spectra (i.e. point and approximate point spectrum). More ...