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On Some generalization of Unitary Quasi-Equivalence of Operators
(International Journal of Mathematics And its Applications, 2020-01-01)
In this paper, we generalize the class of Unitary Quasi-Equivalence by extending this study to n-Unitary Quasi-Equivalence
and investigate the properties of this class. We investigate the relation of this equivalence class ...
Further Generalization of Unitary Quasi-Equivalence of Operators
(International Journal of Mathematics And its Applications, 2020-10-06)
In this paper, we further generalize the class of n-Unitary Quasi-Equivalence by extending this study to (n,m)-Unitary
Quasi-Equivalence. We investigate the properties of this class and also the relation of this equivalence ...
On N Quasi D-Operator Operators
(International Journal of Mathematics And its Applications, 2020-01-11)
: In this paper, we introduce the class of N quasi D-operator acting on the usual Hilbert space H over the complex plane.
An operator T is said to be an N quasi D-operator if T(T
∗2
(T D)
2
) = N(T
∗T D)
2T, where ...
On Class (Q )
(International Journal of Mathematics And its Applications, 2020-11-12)
Class (Q) operators was introduced and studied by Jibril in (quote). In this paper , we introduce and study the “cousins”
to this class, namely class (Q∗). An operator T ∈ B(H) is said to belong to class (Q∗) if T
∗2T
2 ...