Browsing by Author "Elgues anissa"
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Item On the classe of n-power normal,n-power quasi-normal operators on Hilbert space(University Of Eloued جامعة الوادي, 2020-02-23) Elgues anissa; Menkade safain this paper we introduce the classe of n-power normal , n-power quasi norml operaors and prove some properties of n-power normal operators also we put some conditions which are necessitate the n-quasi normalite .