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On (α,β)-Class (Q) Operators
(International Journal of Mathematics and its Applications, 2021-01-12)
In this paper, we introduce a new class of operator, the class of (α, β)-Class (Q) operator acting on a complex Hilbert
space H. An operator T ∈ B(H) is said to be (α, β)-Class (Q) if α 2T∗2T 2 ≤ (T∗T) 2 ≤ β 2T ∗2T 2 for ...