New Characterizations of subclasses of A-selfadjoint, A-normal and A-partial isometry operators on semi-Hilbertian spaces

Guelfen hanane hanane

Abstract


In this paper subclasses of A-selfadjoint, A-normal and A-partial isometry are characterizated in terms of operators inequalities by using the arithmetic-geometric mean inequality. Some properties of this subclasses are also presented.


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