A numerical radius inequality and an estimate for the numerical radius of the Frobenius companion matrix
Work
Year: 2003
Type: article
Abstract: It is shown that if $A$ is a bounded linear operator on a complex Hilbert space, then $$ w(A) \le \frac{1}{2} (\| A \| + \| A^2 \|^{1/2} ), $$ where $w(A)$ and $\|A\|$ are the numerical radius and the... more
Source: Studia Mathematica
Author Fuad Kittaneh
Institution University of Jordan
Cites: 11
Cited by: 278
Related to: 10
FWCI: 2.38
Citation percentile (by year/subfield): 96.54
Topic: Matrix Theory and Algorithms
Subfield: Computational Theory and Mathematics
Field: Computer Science
Domain: Physical Sciences
Sustainable Development Goal Reduced inequalities
Open Access status: bronze