Pure matrix states on block Toeplitz matrices

Tirthankar Bhattacharyya, Ritul Duhan

Let ${\mathcal{T}}_{n,m}={\mathcal{T}}_n(M_m(\mathbb{C}))$ denote the operator system of all block Toeplitz matrices $T=((T_{i-j}){)}_{i,j=1}^n$ with entries $T_k \in M_m(\mathbb C)…