Bounds of numerical radius of bounded linear operator using $t$-Aluthge transform
Santanu Bag, Pintu Bhunia, Kallol Paul · arXiv (Cornell University) · 2019
We develop a number of inequalities to obtain bounds for the numerical radius of a bounded linear operator defined on a complex Hilbert space using the properties of $t$-Aluthge transform. We show that the bounds obtained are sharper than the existing bounds.