ES LAL, T PRASAD, V DEVADAS - Electronic Journal of …, 2022 - journals.ekb.eg
q-QUASI-2-ISOMETRIC COMPOSITION OPERATORS 1. Introduction and Preliminaries Let H be an infinite dimensional separable complex H Page 1 Electronic Journal of …
Let T be a bounded linear operator on a complex Hilbert space H. An operator T is called (n, k)-quasi class Q if it satisfies... and (n, k)-quasi class Q* if it satisfies.... for all x∈ H and for …
I Hoxha, NL Braha - Mediterranean Journal of Mathematics, 2021 - Springer
In this paper, we introduce a new class of operators: absolute-(k, m) paranormal operators. We will show basic structural properties and some spectral properties of this class of …