3 papers
math.FA2025
New Properties and Refined Bounds for the -Numerical Range
Mohammad H. M. Rashid
This paper investigates new properties of -numerical ranges for compact normal operators and establishes refined upper bounds for the -numerical radius of Hilbert space opera…
math.FA2024
Elevating Precision in Inequalities for Numerical Radii and Operator Matrices
M. H. M. Rashid
In this paper, we aim to establish a range of numerical radius inequalities. These discoveries will bring us to a recently validated numerical radius inequality and will present nu…
math.FA2024
On the closability of class totally paranormal operators
M. H. M. Rashid
This article delves into the analysis of various spectral properties pertaining to totally paranormal closed operators, extending beyond the confines of boundedness and encompassin…