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math.FA2026
A Comparison of some Weighted Numerical Radii of Hilbert Space Operators
Maryam Khosravi, Alemeh Sheikhhosseini
In recent years, several generalizations of the numerical radius for bounded linear operators on Hilbert spaces have been introduced and extensively studied. These generalizations…
math.FA2026
Weighted numerical radii of accretive matrices
Alemeh Sheikhhosseini, Maram Khosravi
In this paper, we consider the notion of the weighted numerical radius, denoted by , for the class of accretive matrices, where \\ This notion generalizes…