On the normality of the products of n-power Quasinormal operators
Porkariyal, G. P.
Khalagai, J. M.
Imagiri, S. K.
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Given any two normal operators A and B on a Hilbert space H, it is known that AB is not normal in general. However, if A and B commute, then AB is also normal. In this account, we investigate some conditions under which AB becomes normal even when A and Bare not necessarily normal.