2 papers
math.OA2018
A new type of Numerical radius of operators on Hilbert -module
Marzieh Mehrazin, Maryam Amyari, Mohsen Erfanian Omidvar
In this paper, we define a new concept of numerical range and prove its basic results. We also define the numerical radius and prove that $$ω_{o}(T)\l…
math.FA2018
Numerical radius parallelism of Hilbert space operators
Marzieh Mehrazin, Maryam Amyari, Ali Zamani
In this paper, we introduce a new type of parallelism for bounded linear operators on a Hilbert space based on numerical radiu…