Numerical radius inequalities of operator matrices with applications
Functional Analysis
2024-08-13 v2
Abstract
We present upper and lower bounds for the numerical radius of operator matrices which improves on the existing bound for the same. As an application of the results obtained we give a better estimation for the zeros of a polynomial.
Keywords
Cite
@article{arxiv.1903.06857,
title = {Numerical radius inequalities of operator matrices with applications},
author = {Pintu Bhunia and Santanu Bag and Kallol Paul},
journal= {arXiv preprint arXiv:1903.06857},
year = {2024}
}