Numerical radius and ${\ell }_p$ operator norm of Kronecker products and Schur powers: inequalities and equalities

Pintu Bhunia, Sujit Sakharam Damase, Apoorva Khare

Suppose $A=[a_{ij}]\in {\mathcal{M}}_n(\mathbb{C})$ is a complex $n\times n$ matrix and $B\in \mathcal{B}(\mathcal{H})$ is a bounded linear operator on a complex Hilbert space $\mat…