2 problems

Let $H_1,H_2,H_3$ be parity-check matrices of three classical binary codes, and let the associated XYZ product code be the non-CSS QLDPC code obtained from the three-fold product c…

Let $D$ be a dimension and consider families of $D$-dimensional toric codes with appropriate twisted boundary conditions. Let $N$ denote the number of physical qubits, and let the…