We study some properties of -normal operators and we present various inequalities between the operator norm and the numerical radius of -normal operators on Banach algebra ℬ() of all bounded linear operators , where is Hilbert space.
"More on -Normal Operators in Hilbert Spaces." Abstr. Appl. Anal. 2012 1 - 11, 2012. https://doi.org/10.1155/2012/204031