$(m,n)$-paranormal operators and $(m,n)^*$-paranormal operators
Commun. Korean Math. Soc. 2020 Vol. 35, No. 1, 151-159
Published online January 31, 2020
Preeti Dharmarha, Sonu Ram
University of Delhi; University of Delhi
Abstract : We introduce the notion of $(m,n)$-paranormal operators and $(m,n)^*$-paranormal operators on Hilbert space and study their properties. We also characterize these operators. Examples of operators are given which are $(m,n)$-paranormal but not $(m,n)^*$-paranormal, and vice-versa.
Keywords : $(m,n)$-paranormal operator, $(m,n)^*$-paranormal operator, $M$-paranormal, $M^*$-paranormal operator
MSC numbers : Primary 47B20; Secondary 47B37
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